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231411464 = 23237731627
BaseRepresentation
bin11011100101100…
…00111100001000
3121010102220211222
431302300330020
5433220131324
634543541212
75506651664
oct1562607410
9533386758
10231411464
11109697949
12655ba808
1338c3487b
1422a3b8a4
15154b155e
hexdcb0f08

231411464 has 32 divisors (see below), whose sum is σ = 453625920. Its totient is φ = 110463936.

The previous prime is 231411451. The next prime is 231411493. The reversal of 231411464 is 464114132.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141419 + ... + 143045.

It is an arithmetic number, because the mean of its divisors is an integer number (14175810).

Almost surely, 2231411464 is an apocalyptic number.

It is an amenable number.

231411464 is a deficient number, since it is larger than the sum of its proper divisors (222214456).

231411464 is a wasteful number, since it uses less digits than its factorization.

231411464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2429 (or 2425 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 231411464 is about 15212.2143029869. The cubic root of 231411464 is about 613.9433363448.

Adding to 231411464 its reverse (464114132), we get a palindrome (695525596).

The spelling of 231411464 in words is "two hundred thirty-one million, four hundred eleven thousand, four hundred sixty-four".

Divisors: 1 2 4 8 23 46 92 184 773 1546 1627 3092 3254 6184 6508 13016 17779 35558 37421 71116 74842 142232 149684 299368 1257671 2515342 5030684 10061368 28926433 57852866 115705732 231411464