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225917456 = 247122801
BaseRepresentation
bin11010111011100…
…11101000010000
3120202002210111012
431131303220100
5430313324311
634230110052
75412160322
oct1535635020
9522083435
10225917456
11106585146
12637ab328
1337a5cc8b
142200b612
1514c7878b
hexd773a10

225917456 has 30 divisors (see below), whose sum is σ = 444125406. Its totient is φ = 111328000.

The previous prime is 225917411. The next prime is 225917513. The reversal of 225917456 is 654719522.

225917456 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 193655056 + 32262400 = 13916^2 + 5680^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 79256 + ... + 82056.

Almost surely, 2225917456 is an apocalyptic number.

It is an amenable number.

225917456 is a deficient number, since it is larger than the sum of its proper divisors (218207950).

225917456 is an equidigital number, since it uses as much as digits as its factorization.

225917456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2951 (or 2874 counting only the distinct ones).

The product of its digits is 151200, while the sum is 41.

The square root of 225917456 is about 15030.5507550455. The cubic root of 225917456 is about 609.0457677556.

The spelling of 225917456 in words is "two hundred twenty-five million, nine hundred seventeen thousand, four hundred fifty-six".

Divisors: 1 2 4 8 16 71 142 284 568 1136 2801 5041 5602 10082 11204 20164 22408 40328 44816 80656 198871 397742 795484 1590968 3181936 14119841 28239682 56479364 112958728 225917456