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231464132 = 22187730829
BaseRepresentation
bin11011100101111…
…01110011000100
3121010112121002122
431302331303010
5433223323012
634545025112
75510261354
oct1562756304
9533477078
10231464132
11109723479
1265625198
1338c52833
1422a52b64
15154c1e72
hexdcbdcc4

231464132 has 12 divisors (see below), whose sum is σ = 405291180. Its totient is φ = 115666656.

The previous prime is 231464131. The next prime is 231464161.

231464132 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 178115716 + 53348416 = 13346^2 + 7304^2 .

It is not an unprimeable number, because it can be changed into a prime (231464131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7907 + ... + 22922.

It is an arithmetic number, because the mean of its divisors is an integer number (33774265).

Almost surely, 2231464132 is an apocalyptic number.

It is an amenable number.

231464132 is a deficient number, since it is larger than the sum of its proper divisors (173827048).

231464132 is a wasteful number, since it uses less digits than its factorization.

231464132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32710 (or 32708 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

The square root of 231464132 is about 15213.9453134287. The cubic root of 231464132 is about 613.9899095414.

The spelling of 231464132 in words is "two hundred thirty-one million, four hundred sixty-four thousand, one hundred thirty-two".

Divisors: 1 2 4 1877 3754 7508 30829 61658 123316 57866033 115732066 231464132