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13790892 = 22323291723
BaseRepresentation
bin110100100110…
…111010101100
3221221122112210
4310212322230
512012302032
61211330420
7225135453
oct64467254
927848483
1013790892
11786a335
124750a10
132b1b1bb
141b8db9a
1513262cc
hexd26eac

13790892 has 48 divisors (see below), whose sum is σ = 34755840. Its totient is φ = 4243008.

The previous prime is 13790879. The next prime is 13790911. The reversal of 13790892 is 29809731.

It is a self number, because there is not a number n which added to its sum of digits gives 13790892.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 7143 + ... + 8865.

It is an arithmetic number, because the mean of its divisors is an integer number (724080).

Almost surely, 213790892 is an apocalyptic number.

13790892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13790892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17377920).

13790892 is an abundant number, since it is smaller than the sum of its proper divisors (20964948).

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

13790892 is a wasteful number, since it uses less digits than its factorization.

13790892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1782 (or 1780 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 13790892 is about 3713.6090262708. The cubic root of 13790892 is about 239.8082496177.

The spelling of 13790892 in words is "thirteen million, seven hundred ninety thousand, eight hundred ninety-two".

Divisors: 1 2 3 4 6 12 23 29 46 58 69 87 92 116 138 174 276 348 667 1334 1723 2001 2668 3446 4002 5169 6892 8004 10338 20676 39629 49967 79258 99934 118887 149901 158516 199868 237774 299802 475548 599604 1149241 2298482 3447723 4596964 6895446 13790892