Search a number
-
+
461047790025 = 34527921912
BaseRepresentation
bin1101011010110001001…
…01101111100111001001
31122002001012202102110000
412231120211233213021
530023211213240100
6551445154113213
745211123361064
oct6553045574711
91562035672400
10461047790025
11168590504629
127542bb7b809
1334627198c14
1418459c838db
15bed611c900
hex6b5896f9c9

461047790025 has 135 divisors (see below), whose sum is σ = 869519433783. Its totient is φ = 241508498400.

The previous prime is 461047790011. The next prime is 461047790069. The reversal of 461047790025 is 520097740164.

The square root of 461047790025 is 679005.

It is a perfect power (a square), and thus also a powerful number.

461047790025 is a `hidden beast` number, since 4 + 610 + 4 + 7 + 7 + 9 + 0 + 0 + 25 = 666.

It can be written as a sum of positive squares in only one way, i.e., 165977204409 + 295070585616 = 407403^2 + 543204^2 .

It is a tau number, because it is divible by the number of its divisors (135).

It is not a de Polignac number, because 461047790025 - 29 = 461047789513 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 2413862680 + ... + 2413862870.

Almost surely, 2461047790025 is an apocalyptic number.

461047790025 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

461047790025 is the 679005-th square number.

461047790025 is the 339503-rd centered octagonal number.

It is an amenable number.

461047790025 is a deficient number, since it is larger than the sum of its proper divisors (408471643758).

461047790025 is an frugal number, since it uses more digits than its factorization.

461047790025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562 (or 278 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 461047790025 in words is "four hundred sixty-one billion, forty-seven million, seven hundred ninety thousand, twenty-five".

Divisors: 1 3 5 9 15 25 27 45 75 79 81 135 191 225 237 395 405 573 675 711 955 1185 1719 1975 2025 2133 2865 3555 4775 5157 5925 6241 6399 8595 10665 14325 15089 15471 17775 18723 25785 31205 31995 36481 42975 45267 53325 56169 75445 77355 93615 109443 128925 135801 156025 159975 168507 182405 226335 280845 328329 377225 386775 407403 468075 505521 547215 679005 842535 912025 984987 1131675 1192031 1222209 1404225 1641645 2037015 2527605 2736075 2881999 2954961 3395025 3576093 4212675 4924935 5960155 6111045 8208225 8645997 10185075 10728279 12638025 14409995 14774805 17880465 24624675 25937991 29800775 30555225 32184837 43229985 53641395 72049975 73874025 77813973 89402325 96554511 129689955 160924185 216149925 227677921 233441919 268206975 389069865 482772555 648449775 683033763 804620925 1138389605 1167209595 1945349325 2049101289 2413862775 3415168815 5691948025 5836047975 6147303867 10245506445 17075844075 18441911601 30736519335 51227532225 92209558005 153682596675 461047790025