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13830488 = 237491503
BaseRepresentation
bin110100110000…
…100101011000
3222000122212022
4310300211120
512020033423
61212234012
7225362060
oct64604530
928018768
1013830488
117897061
12476b908
132b33229
141ba03a0
151332dc8
hexd30958

13830488 has 32 divisors (see below), whose sum is σ = 29756160. Its totient is φ = 5903520.

The previous prime is 13830473. The next prime is 13830491. The reversal of 13830488 is 88403831.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27245 + ... + 27747.

It is an arithmetic number, because the mean of its divisors is an integer number (929880).

Almost surely, 213830488 is an apocalyptic number.

It is an amenable number.

13830488 is an abundant number, since it is smaller than the sum of its proper divisors (15925672).

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

13830488 is a wasteful number, since it uses less digits than its factorization.

13830488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007 (or 1003 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 13830488 is about 3718.9364070928. The cubic root of 13830488 is about 240.0375404240.

The spelling of 13830488 in words is "thirteen million, eight hundred thirty thousand, four hundred eighty-eight".

Divisors: 1 2 4 7 8 14 28 56 491 503 982 1006 1964 2012 3437 3521 3928 4024 6874 7042 13748 14084 27496 28168 246973 493946 987892 1728811 1975784 3457622 6915244 13830488