Search a number
-
+
204539937 = 3717572941
BaseRepresentation
bin11000011000100…
…00100000100001
3112020212201001020
430030100200201
5404330234222
632144000053
75032363230
oct1414204041
9466781036
10204539937
11a5503978
1258600029
13334b6864
141d244b17
1512e5465c
hexc310821

204539937 has 16 divisors (see below), whose sum is σ = 330014592. Its totient is φ = 110004480.

The previous prime is 204539887. The next prime is 204539957. The reversal of 204539937 is 739935402.

It is not a de Polignac number, because 204539937 - 219 = 204015649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204539957) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286114 + ... + 286827.

It is an arithmetic number, because the mean of its divisors is an integer number (20625912).

Almost surely, 2204539937 is an apocalyptic number.

It is an amenable number.

204539937 is a deficient number, since it is larger than the sum of its proper divisors (125474655).

204539937 is a wasteful number, since it uses less digits than its factorization.

204539937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572968.

The product of its (nonzero) digits is 204120, while the sum is 42.

The square root of 204539937 is about 14301.7459423666. The cubic root of 204539937 is about 589.1954340257.

The spelling of 204539937 in words is "two hundred four million, five hundred thirty-nine thousand, nine hundred thirty-seven".

Divisors: 1 3 7 17 21 51 119 357 572941 1718823 4010587 9739997 12031761 29219991 68179979 204539937