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231869323 = 724732027
BaseRepresentation
bin11011101001000…
…00101110001011
3121011022011220201
431310200232023
5433324304243
635001433031
75513566600
oct1564405613
9534264821
10231869323
1110997a944
126579b777
13390650aa
1422b1a6a7
151555204d
hexdd20b8b

231869323 has 6 divisors (see below), whose sum is σ = 269725596. Its totient is φ = 198745092.

The previous prime is 231869303. The next prime is 231869327. The reversal of 231869323 is 323968132.

231869323 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 231869323 - 221 = 229772171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231869327) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2365965 + ... + 2366062.

It is an arithmetic number, because the mean of its divisors is an integer number (44954266).

Almost surely, 2231869323 is an apocalyptic number.

231869323 is a deficient number, since it is larger than the sum of its proper divisors (37856273).

231869323 is an equidigital number, since it uses as much as digits as its factorization.

231869323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4732041 (or 4732034 counting only the distinct ones).

The product of its digits is 46656, while the sum is 37.

The square root of 231869323 is about 15227.2559248211. The cubic root of 231869323 is about 614.3479753242.

The spelling of 231869323 in words is "two hundred thirty-one million, eight hundred sixty-nine thousand, three hundred twenty-three".

Divisors: 1 7 49 4732027 33124189 231869323