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12949544 = 232955817
BaseRepresentation
bin110001011001…
…100000101000
3220100220102202
4301121200220
511303341134
61141315332
7215032526
oct61314050
926326382
1012949544
117345203
124405b48
1328b526a
141a11316
15120bd7e
hexc59828

12949544 has 16 divisors (see below), whose sum is σ = 25118100. Its totient is φ = 6251392.

The previous prime is 12949523. The next prime is 12949553. The reversal of 12949544 is 44594921.

It can be written as a sum of positive squares in 2 ways, for example, as 11356900 + 1592644 = 3370^2 + 1262^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12949498 and 12949507.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27677 + ... + 28140.

Almost surely, 212949544 is an apocalyptic number.

It is an amenable number.

12949544 is a deficient number, since it is larger than the sum of its proper divisors (12168556).

12949544 is a wasteful number, since it uses less digits than its factorization.

12949544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55852 (or 55848 counting only the distinct ones).

The product of its digits is 51840, while the sum is 38.

The square root of 12949544 is about 3598.5474847499. The cubic root of 12949544 is about 234.8288719434.

The spelling of 12949544 in words is "twelve million, nine hundred forty-nine thousand, five hundred forty-four".

Divisors: 1 2 4 8 29 58 116 232 55817 111634 223268 446536 1618693 3237386 6474772 12949544