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13248924 = 22313247139
BaseRepresentation
bin110010100010…
…100110011100
3220221010002220
4302202212130
511342431144
61151545340
7220420413
oct62424634
926833086
1013248924
11752a127
12452b250
13298b600
141a8c47a
15126a919
hexca299c

13248924 has 72 divisors (see below), whose sum is σ = 34433280. Its totient is φ = 3961152.

The previous prime is 13248889. The next prime is 13248929. The reversal of 13248924 is 42984231.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13248929) 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 23 ways as a sum of consecutive naturals, for example, 95247 + ... + 95385.

It is an arithmetic number, because the mean of its divisors is an integer number (478240).

Almost surely, 213248924 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13248924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17216640).

13248924 is an abundant number, since it is smaller than the sum of its proper divisors (21184356).

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

13248924 is a wasteful number, since it uses less digits than its factorization.

13248924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219 (or 204 counting only the distinct ones).

The product of its digits is 13824, while the sum is 33.

The square root of 13248924 is about 3639.9071416727. The cubic root of 13248924 is about 236.6247689723.

The spelling of 13248924 in words is "thirteen million, two hundred forty-eight thousand, nine hundred twenty-four".

Divisors: 1 2 3 4 6 12 13 26 39 47 52 78 94 139 141 156 169 188 278 282 338 417 507 556 564 611 676 834 1014 1222 1668 1807 1833 2028 2444 3614 3666 5421 6533 7228 7332 7943 10842 13066 15886 19599 21684 23491 23829 26132 31772 39198 46982 47658 70473 78396 84929 93964 95316 140946 169858 254787 281892 339716 509574 1019148 1104077 2208154 3312231 4416308 6624462 13248924