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672532 = 22724019
BaseRepresentation
bin10100100001100010100
31021011112121
42210030110
5133010112
622225324
75500510
oct2441424
91234477
10672532
1141a313
12285244
131a7163
14137140
15d4407
hexa4314

672532 has 12 divisors (see below), whose sum is σ = 1345120. Its totient is φ = 288216.

The previous prime is 672521. The next prime is 672557. The reversal of 672532 is 235276.

672532 is an admirable number.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 672497 and 672506.

It is a congruent number.

It is an unprimeable number.

672532 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11982 + ... + 12037.

2672532 is an apocalyptic number.

It is an amenable number.

672532 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

672532 is a wasteful number, since it uses less digits than its factorization.

672532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24030 (or 24028 counting only the distinct ones).

The product of its digits is 2520, while the sum is 25.

The square root of 672532 is about 820.0804838551. The cubic root of 672532 is about 87.6134908297.

The spelling of 672532 in words is "six hundred seventy-two thousand, five hundred thirty-two".

Divisors: 1 2 4 7 14 28 24019 48038 96076 168133 336266 672532