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225257408 = 2631113537
BaseRepresentation
bin11010110110100…
…10011111000000
3120200212021001222
431123102133000
5430131214113
634204014212
75403441065
oct1533223700
9520767058
10225257408
11106174252
1263531368
133788b70c
1421cb8c6c
1514b97e08
hexd6d27c0

225257408 has 28 divisors (see below), whose sum is σ = 461418432. Its totient is φ = 108994560.

The previous prime is 225257401. The next prime is 225257411. The reversal of 225257408 is 804752522.

225257408 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225257401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54785 + ... + 58752.

Almost surely, 2225257408 is an apocalyptic number.

It is an amenable number.

225257408 is an abundant number, since it is smaller than the sum of its proper divisors (236161024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225257408 is a wasteful number, since it uses less digits than its factorization.

225257408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113580 (or 113570 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 35.

The square root of 225257408 is about 15008.5778140369. The cubic root of 225257408 is about 608.4520530082.

The spelling of 225257408 in words is "two hundred twenty-five million, two hundred fifty-seven thousand, four hundred eight".

Divisors: 1 2 4 8 16 31 32 62 64 124 248 496 992 1984 113537 227074 454148 908296 1816592 3519647 3633184 7039294 7266368 14078588 28157176 56314352 112628704 225257408