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53512 = 236689
BaseRepresentation
bin1101000100001000
32201101221
431010020
53203022
61051424
7312004
oct150410
981357
1053512
1137228
1226b74
131b484
1415704
1510cc7
hexd108

53512 has 8 divisors (see below), whose sum is σ = 100350. Its totient is φ = 26752.

The previous prime is 53507. The next prime is 53527. The reversal of 53512 is 21535.

It can be written as a sum of positive squares in only one way, i.e., 37636 + 15876 = 194^2 + 126^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3337 + ... + 3352.

253512 is an apocalyptic number.

It is an amenable number.

53512 is a deficient number, since it is larger than the sum of its proper divisors (46838).

53512 is a wasteful number, since it uses less digits than its factorization.

53512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6695 (or 6691 counting only the distinct ones).

The product of its digits is 150, while the sum is 16.

The square root of 53512 is about 231.3266089320. The cubic root of 53512 is about 37.6834272482.

It can be divided in two parts, 53 and 512, that added together give a palindrome (565).

The spelling of 53512 in words is "fifty-three thousand, five hundred twelve".

Divisors: 1 2 4 8 6689 13378 26756 53512