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64231412 = 227592659
BaseRepresentation
bin1111010100000…
…1011111110100
311110212021221012
43311001133310
5112420401122
610212411352
71406646410
oct365013764
9143767835
1064231412
1133291013
1219616b58
13103cbc6b
14875dd40
15598b7e2
hex3d417f4

64231412 has 36 divisors (see below), whose sum is σ = 130875360. Its totient is φ = 27020112.

The previous prime is 64231399. The next prime is 64231421. The reversal of 64231412 is 21413246.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97139 + ... + 97797.

Almost surely, 264231412 is an apocalyptic number.

It is an amenable number.

64231412 is an abundant number, since it is smaller than the sum of its proper divisors (66643948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64231412 is a wasteful number, since it uses less digits than its factorization.

64231412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788 (or 727 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 64231412 is about 8014.4501994834. The cubic root of 64231412 is about 400.4815284267.

Adding to 64231412 its reverse (21413246), we get a palindrome (85644658).

The spelling of 64231412 in words is "sixty-four million, two hundred thirty-one thousand, four hundred twelve".

Divisors: 1 2 4 7 14 28 59 118 236 413 659 826 1318 1652 2636 3481 4613 6962 9226 13924 18452 24367 38881 48734 77762 97468 155524 272167 544334 1088668 2293979 4587958 9175916 16057853 32115706 64231412