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204672885 = 3513644859
BaseRepresentation
bin11000011001100…
…00111101110101
3112021010110102020
430030300331311
5404344013020
632150503353
75033455644
oct1414607565
9467113366
10204672885
11a559484a
1258664b59
1333532221
141d27b35b
1512e7dc40
hexc330f75

204672885 has 8 divisors (see below), whose sum is σ = 327476640. Its totient is φ = 109158864.

The previous prime is 204672869. The next prime is 204672887. The reversal of 204672885 is 588276402.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 204672885 - 24 = 204672869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204672887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6822415 + ... + 6822444.

It is an arithmetic number, because the mean of its divisors is an integer number (40934580).

Almost surely, 2204672885 is an apocalyptic number.

It is an amenable number.

204672885 is a deficient number, since it is larger than the sum of its proper divisors (122803755).

204672885 is a wasteful number, since it uses less digits than its factorization.

204672885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13644867.

The product of its (nonzero) digits is 215040, while the sum is 42.

The square root of 204672885 is about 14306.3931513153. The cubic root of 204672885 is about 589.3230625469.

The spelling of 204672885 in words is "two hundred four million, six hundred seventy-two thousand, eight hundred eighty-five".

Divisors: 1 3 5 15 13644859 40934577 68224295 204672885