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204458013 = 35841391
BaseRepresentation
bin11000010111111…
…00100000011101
3112020201112200000
430023330200131
5404320124023
632142124513
75031602334
oct1413744035
9466645600
10204458013
11a5458371
1258580739
1333488496
141d222d1b
1512e3a243
hexc2fc81d

204458013 has 12 divisors (see below), whose sum is σ = 306266688. Its totient is φ = 136305180.

The previous prime is 204458003. The next prime is 204458027. The reversal of 204458013 is 310854402.

204458013 is a `hidden beast` number, since 204 + 458 + 0 + 1 + 3 = 666.

204458013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 204458013 - 29 = 204457501 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204458003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 420453 + ... + 420938.

It is an arithmetic number, because the mean of its divisors is an integer number (25522224).

Almost surely, 2204458013 is an apocalyptic number.

It is an amenable number.

204458013 is a deficient number, since it is larger than the sum of its proper divisors (101808675).

204458013 is an frugal number, since it uses more digits than its factorization.

204458013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841406 (or 841394 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 204458013 is about 14298.8815296862. The cubic root of 204458013 is about 589.1167604045.

The spelling of 204458013 in words is "two hundred four million, four hundred fifty-eight thousand, thirteen".

Divisors: 1 3 9 27 81 243 841391 2524173 7572519 22717557 68152671 204458013