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13793442 = 2313261223
BaseRepresentation
bin110100100111…
…100010100010
3221221210001020
4310213202202
512012342232
61211350310
7225146055
oct64474242
927853036
1013793442
117871243
124752396
132b1c400
141b90a9c
151326e2c
hexd278a2

13793442 has 48 divisors (see below), whose sum is σ = 30498048. Its totient is φ = 4155840.

The previous prime is 13793441. The next prime is 13793453. The reversal of 13793442 is 24439731.

It is not an unprimeable number, because it can be changed into a prime (13793441) 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, 61743 + ... + 61965.

It is an arithmetic number, because the mean of its divisors is an integer number (635376).

Almost surely, 213793442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13793442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15249024).

13793442 is an abundant number, since it is smaller than the sum of its proper divisors (16704606).

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

13793442 is a wasteful number, since it uses less digits than its factorization.

13793442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315 (or 302 counting only the distinct ones).

The product of its digits is 18144, while the sum is 33.

The square root of 13793442 is about 3713.9523421821. The cubic root of 13793442 is about 239.8230292600.

The spelling of 13793442 in words is "thirteen million, seven hundred ninety-three thousand, four hundred forty-two".

Divisors: 1 2 3 6 13 26 39 61 78 122 169 183 223 338 366 446 507 669 793 1014 1338 1586 2379 2899 4758 5798 8697 10309 13603 17394 20618 27206 30927 37687 40809 61854 75374 81618 113061 176839 226122 353678 530517 1061034 2298907 4597814 6896721 13793442