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13830492 = 2231388657
BaseRepresentation
bin110100110000…
…100101011100
3222000122212110
4310300211130
512020033432
61212234020
7225362064
oct64604534
928018773
1013830492
117897065
12476b910
132b33230
141ba03a4
151332dcc
hexd3095c

13830492 has 24 divisors (see below), whose sum is σ = 34753936. Its totient is φ = 4255488.

The previous prime is 13830491. The next prime is 13830497. The reversal of 13830492 is 29403831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13830491) 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 7 ways as a sum of consecutive naturals, for example, 44173 + ... + 44484.

Almost surely, 213830492 is an apocalyptic number.

13830492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13830492 is an abundant number, since it is smaller than the sum of its proper divisors (20923444).

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

13830492 is a wasteful number, since it uses less digits than its factorization.

13830492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88677 (or 88675 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 13830492 is about 3718.9369448809. The cubic root of 13830492 is about 240.0375635649.

The spelling of 13830492 in words is "thirteen million, eight hundred thirty thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 88657 177314 265971 354628 531942 1063884 1152541 2305082 3457623 4610164 6915246 13830492