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925415140225 = 5242124572
BaseRepresentation
bin11010111011101110000…
…10100110101110000001
310021110122202211222101011
431131313002212232001
5110130222233441400
61545044014040521
7123600435622162
oct15356702465601
93243582758334
10925415140225
113275147a2914
1212b4277a9141
1369360005314
1432b0c955769
15191138a38ba
hexd7770a6b81

925415140225 has 27 divisors (see below), whose sum is σ = 1152769395771. Its totient is φ = 736957468800.

The previous prime is 925415140213. The next prime is 925415140261. The reversal of 925415140225 is 522041514529.

The square root of 925415140225 is 961985.

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

It can be written as a sum of positive squares in 13 ways, for example, as 824814525249 + 100600614976 = 908193^2 + 317176^2 .

It is not a de Polignac number, because 925415140225 - 25 = 925415140193 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2024978197 + ... + 2024978653.

Almost surely, 2925415140225 is an apocalyptic number.

925415140225 is the 961985-th square number.

925415140225 is the 480993-rd centered octagonal number.

It is an amenable number.

925415140225 is a deficient number, since it is larger than the sum of its proper divisors (227354255546).

925415140225 is an frugal number, since it uses more digits than its factorization.

925415140225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1766 (or 883 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 40.

The spelling of 925415140225 in words is "nine hundred twenty-five billion, four hundred fifteen million, one hundred forty thousand, two hundred twenty-five".

Divisors: 1 5 25 421 457 2105 2285 10525 11425 177241 192397 208849 886205 961985 1044245 4431025 4809925 5221225 80999137 87925429 404995685 439627145 2024978425 2198135725 37016605609 185083028045 925415140225