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231020204 = 2257755051
BaseRepresentation
bin11011100010100…
…01011010101100
3121002201001010212
431301101122230
5433120121304
634531321552
75503432202
oct1561213254
9532631125
10231020204
1110944a998
12654502b8
1338b2875c
1422979072
151543566e
hexdc516ac

231020204 has 6 divisors (see below), whose sum is σ = 404285364. Its totient is φ = 115510100.

The previous prime is 231020197. The next prime is 231020233. The reversal of 231020204 is 402020132.

231020204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28877522 + ... + 28877529.

It is an arithmetic number, because the mean of its divisors is an integer number (67380894).

Almost surely, 2231020204 is an apocalyptic number.

It is an amenable number.

231020204 is a deficient number, since it is larger than the sum of its proper divisors (173265160).

231020204 is a wasteful number, since it uses less digits than its factorization.

231020204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57755055 (or 57755053 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 231020204 is about 15199.3488018402. The cubic root of 231020204 is about 613.5971319801.

Adding to 231020204 its reverse (402020132), we get a palindrome (633040336).

The spelling of 231020204 in words is "two hundred thirty-one million, twenty thousand, two hundred four".

Divisors: 1 2 4 57755051 115510102 231020204