Search a number
-
+
2045300625 = 3654672
BaseRepresentation
bin111100111101000…
…1100111110010001
312021112121001000000
41321322030332101
513142044110000
6534541520213
7101453524404
oct17172147621
95245531000
102045300625
1195a5786a5
12490b73069
13267978774
141558cbd3b
15be860000
hex79e8cf91

2045300625 has 105 divisors (see below), whose sum is σ = 3890005581. Its totient is φ = 1074546000.

The previous prime is 2045300623. The next prime is 2045300629. The reversal of 2045300625 is 5260035402.

The square root of 2045300625 is 45225.

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

2045300625 is a `hidden beast` number, since 2 + 0 + 4 + 5 + 30 + 0 + 625 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 160351569 + 1884949056 = 12663^2 + 43416^2 .

It is not a de Polignac number, because 2045300625 - 21 = 2045300623 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2045300623) by changing a digit.

It is a polite number, since it can be written in 104 ways as a sum of consecutive naturals, for example, 30526842 + ... + 30526908.

Almost surely, 22045300625 is an apocalyptic number.

2045300625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2045300625 is the 45225-th square number.

2045300625 is the 22613-rd centered octagonal number.

It is an amenable number.

2045300625 is a deficient number, since it is larger than the sum of its proper divisors (1844704956).

2045300625 is an frugal number, since it uses more digits than its factorization.

2045300625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 75 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The cubic root of 2045300625 is about 1269.3626547632.

The spelling of 2045300625 in words is "two billion, forty-five million, three hundred thousand, six hundred twenty-five".

Divisors: 1 3 5 9 15 25 27 45 67 75 81 125 135 201 225 243 335 375 405 603 625 675 729 1005 1125 1215 1675 1809 1875 2025 3015 3375 3645 4489 5025 5427 5625 6075 8375 9045 10125 13467 15075 16281 16875 18225 22445 25125 27135 30375 40401 41875 45225 48843 50625 67335 75375 81405 91125 112225 121203 125625 135675 151875 202005 226125 244215 336675 363609 376875 407025 455625 561125 606015 678375 1010025 1090827 1130625 1221075 1683375 1818045 2035125 2805625 3030075 3272481 3391875 5050125 5454135 6105375 8416875 9090225 10175625 15150375 16362405 25250625 27270675 30526875 45451125 75751875 81812025 136353375 227255625 409060125 681766875 2045300625