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13930400 = 2552111583
BaseRepresentation
bin110101001000…
…111110100000
3222012201220202
4311020332200
512031233100
61214324332
7226256261
oct65107640
928181822
1013930400
117955130
1247b96a8
132b69853
141bc8968
1513527d5
hexd48fa0

13930400 has 72 divisors (see below), whose sum is σ = 37122624. Its totient is φ = 5062400.

The previous prime is 13930393. The next prime is 13930417. The reversal of 13930400 is 403931.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 8009 + ... + 9591.

It is an arithmetic number, because the mean of its divisors is an integer number (515592).

Almost surely, 213930400 is an apocalyptic number.

13930400 is a gapful number since it is divisible by the number (10) 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 13930400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18561312).

13930400 is an abundant number, since it is smaller than the sum of its proper divisors (23192224).

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

13930400 is a wasteful number, since it uses less digits than its factorization.

13930400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1614 (or 1601 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 13930400 is about 3732.3451073018. The cubic root of 13930400 is about 240.6141677251.

The spelling of 13930400 in words is "thirteen million, nine hundred thirty thousand, four hundred".

Divisors: 1 2 4 5 8 10 11 16 20 22 25 32 40 44 50 55 80 88 100 110 160 176 200 220 275 352 400 440 550 800 880 1100 1583 1760 2200 3166 4400 6332 7915 8800 12664 15830 17413 25328 31660 34826 39575 50656 63320 69652 79150 87065 126640 139304 158300 174130 253280 278608 316600 348260 435325 557216 633200 696520 870650 1266400 1393040 1741300 2786080 3482600 6965200 13930400