Search a number
-
+
494384765625 = 34514
BaseRepresentation
bin1110011000110111010…
…00001101101010111001
31202021002112011020210000
413030123220031222321
531100000000000000
61015041153143213
750501213112552
oct7143350155271
91667075136700
10494384765625
11180738347833
127b99455ab09
133780a9bb39a
1419cdd571329
15ccd7ba0000
hex731ba0dab9

494384765625 has 75 divisors (see below), whose sum is σ = 923156738251. Its totient is φ = 263671875000.

The previous prime is 494384765603. The next prime is 494384765627. The reversal of 494384765625 is 526567483494.

The square root of 494384765625 is 703125.

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

494384765625 is a `hidden beast` number, since 4 + 94 + 3 + 8 + 476 + 56 + 25 = 666.

It can be written as a sum of positive squares in 7 ways, for example, as 473326112169 + 21058653456 = 687987^2 + 145116^2 .

It is a tau number, because it is divible by the number of its divisors (75).

It is not a de Polignac number, because 494384765625 - 215 = 494384732857 is a prime.

It is a Duffinian number.

Its product of digits (174182400) is a multiple of the sum of its prime divisors (8).

It is a nialpdrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (494384765627) by changing a digit.

It is a polite number, since it can be written in 74 ways as a sum of consecutive naturals, for example, 98876953123 + ... + 98876953127.

Almost surely, 2494384765625 is an apocalyptic number.

494384765625 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

494384765625 is the 703125-th square number.

494384765625 is the 351563-rd centered octagonal number.

It is an amenable number.

494384765625 is a deficient number, since it is larger than the sum of its proper divisors (428771972626).

494384765625 is an frugal number, since it uses more digits than its factorization.

494384765625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82 (or 8 counting only the distinct ones).

The product of its digits is 174182400, while the sum is 63.

The spelling of 494384765625 in words is "four hundred ninety-four billion, three hundred eighty-four million, seven hundred sixty-five thousand, six hundred twenty-five".

Divisors: 1 3 5 9 15 25 27 45 75 81 125 135 225 375 405 625 675 1125 1875 2025 3125 3375 5625 9375 10125 15625 16875 28125 46875 50625 78125 84375 140625 234375 253125 390625 421875 703125 1171875 1265625 1953125 2109375 3515625 5859375 6328125 9765625 10546875 17578125 29296875 31640625 48828125 52734375 87890625 146484375 158203125 244140625 263671875 439453125 732421875 791015625 1220703125 1318359375 2197265625 3662109375 3955078125 6103515625 6591796875 10986328125 18310546875 19775390625 32958984375 54931640625 98876953125 164794921875 494384765625