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13724469 = 3211157883
BaseRepresentation
bin110100010110…
…101100110101
3221211021102200
4310112230311
512003140334
61210055113
7224441013
oct64265465
927737380
1013724469
117824440
12471a499
132ac6bb5
141b738b3
151311799
hexd16b35

13724469 has 24 divisors (see below), whose sum is σ = 21788832. Its totient is φ = 8255520.

The previous prime is 13724461. The next prime is 13724471. The reversal of 13724469 is 96442731.

It is not a de Polignac number, because 13724469 - 23 = 13724461 is a prime.

It is a super-2 number, since 2×137244692 = 376722098663922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13724461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15102 + ... + 15984.

It is an arithmetic number, because the mean of its divisors is an integer number (907868).

Almost surely, 213724469 is an apocalyptic number.

It is an amenable number.

13724469 is a deficient number, since it is larger than the sum of its proper divisors (8064363).

13724469 is a wasteful number, since it uses less digits than its factorization.

13724469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057 (or 1054 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 13724469 is about 3704.6550446702. The cubic root of 13724469 is about 239.4226225107.

The spelling of 13724469 in words is "thirteen million, seven hundred twenty-four thousand, four hundred sixty-nine".

Divisors: 1 3 9 11 33 99 157 471 883 1413 1727 2649 5181 7947 9713 15543 29139 87417 138631 415893 1247679 1524941 4574823 13724469