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225204808 = 2340170201
BaseRepresentation
bin11010110110001…
…01101001001000
3120200202120220211
431123011221020
5430123023213
634202530504
75403131533
oct1533055110
9520676824
10225204808
11106138784
1263506a34
13378707aa
1421ca3a1a
1514b8753d
hexd6c5a48

225204808 has 16 divisors (see below), whose sum is σ = 423318060. Its totient is φ = 112320000.

The previous prime is 225204773. The next prime is 225204817. The reversal of 225204808 is 808402522.

It can be written as a sum of positive squares in 2 ways, for example, as 165328164 + 59876644 = 12858^2 + 7738^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 225204808.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31893 + ... + 38308.

Almost surely, 2225204808 is an apocalyptic number.

It is an amenable number.

225204808 is a deficient number, since it is larger than the sum of its proper divisors (198113252).

225204808 is a wasteful number, since it uses less digits than its factorization.

225204808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70608 (or 70604 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 31.

The square root of 225204808 is about 15006.8253804727. The cubic root of 225204808 is about 608.4046893133.

The spelling of 225204808 in words is "two hundred twenty-five million, two hundred four thousand, eight hundred eight".

Divisors: 1 2 4 8 401 802 1604 3208 70201 140402 280804 561608 28150601 56301202 112602404 225204808