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13725472 = 253491229
BaseRepresentation
bin110100010110…
…111100100000
3221211022210211
4310112330200
512003203342
61210103504
7224443645
oct64267440
927738724
1013725472
117825172
12471ab94
132ac74a7
141b73dcc
151311c17
hexd16f20

13725472 has 24 divisors (see below), whose sum is σ = 27121500. Its totient is φ = 6837504.

The previous prime is 13725449. The next prime is 13725473. The reversal of 13725472 is 27452731.

It can be written as a sum of positive squares in 2 ways, for example, as 11048976 + 2676496 = 3324^2 + 1636^2 .

It is not an unprimeable number, because it can be changed into a prime (13725473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10554 + ... + 11782.

Almost surely, 213725472 is an apocalyptic number.

It is an amenable number.

13725472 is a deficient number, since it is larger than the sum of its proper divisors (13396028).

13725472 is a wasteful number, since it uses less digits than its factorization.

13725472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1588 (or 1580 counting only the distinct ones).

The product of its digits is 11760, while the sum is 31.

The square root of 13725472 is about 3704.7904124255. The cubic root of 13725472 is about 239.4284547956.

It can be divided in two parts, 13725 and 472, that multiplied together give a triangular number (6478200 = T3599).

The spelling of 13725472 in words is "thirteen million, seven hundred twenty-five thousand, four hundred seventy-two".

Divisors: 1 2 4 8 16 32 349 698 1229 1396 2458 2792 4916 5584 9832 11168 19664 39328 428921 857842 1715684 3431368 6862736 13725472