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225802508 = 22421134087
BaseRepresentation
bin11010111010101…
…11100100001100
3120201212221210212
431131113210030
5430301140013
634223421552
75411201231
oct1535274414
9521787725
10225802508
11106506848
12637548b8
1337a1c869
1421dbb788
1514c546a8
hexd75790c

225802508 has 12 divisors (see below), whose sum is σ = 396095952. Its totient is φ = 112632240.

The previous prime is 225802487. The next prime is 225802519. The reversal of 225802508 is 805208522.

It is a happy number.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65360 + ... + 68727.

It is an arithmetic number, because the mean of its divisors is an integer number (33007996).

Almost surely, 2225802508 is an apocalyptic number.

It is an amenable number.

225802508 is a deficient number, since it is larger than the sum of its proper divisors (170293444).

225802508 is a wasteful number, since it uses less digits than its factorization.

225802508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134512 (or 134510 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 32.

The square root of 225802508 is about 15026.7264565507. The cubic root of 225802508 is about 608.9424549925.

The spelling of 225802508 in words is "two hundred twenty-five million, eight hundred two thousand, five hundred eight".

Divisors: 1 2 4 421 842 1684 134087 268174 536348 56450627 112901254 225802508