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64712 = 238089
BaseRepresentation
bin1111110011001000
310021202202
433303020
54032322
61215332
7356444
oct176310
9107682
1064712
114468a
1231548
13235bb
1419824
1514292
hexfcc8

64712 has 8 divisors (see below), whose sum is σ = 121350. Its totient is φ = 32352.

The previous prime is 64709. The next prime is 64717. The reversal of 64712 is 21746.

It can be written as a sum of positive squares in only one way, i.e., 64516 + 196 = 254^2 + 14^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 11 and base 13.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (64717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4037 + ... + 4052.

264712 is an apocalyptic number.

It is an amenable number.

64712 is a deficient number, since it is larger than the sum of its proper divisors (56638).

64712 is a wasteful number, since it uses less digits than its factorization.

64712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8095 (or 8091 counting only the distinct ones).

The product of its digits is 336, while the sum is 20.

The square root of 64712 is about 254.3855341799. The cubic root of 64712 is about 40.1477866386.

The spelling of 64712 in words is "sixty-four thousand, seven hundred twelve".

Divisors: 1 2 4 8 8089 16178 32356 64712