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13840882 = 211718861
BaseRepresentation
bin110100110011…
…000111110010
3222001012010021
4310303013302
512020402012
61212354054
7225434266
oct64630762
928035107
1013840882
1178a3950
12477592a
132b37b93
141ba40a6
151336007
hexd331f2

13840882 has 16 divisors (see below), whose sum is σ = 22970304. Its totient is φ = 6202000.

The previous prime is 13840877. The next prime is 13840909. The reversal of 13840882 is 28804831.

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 7 ways as a sum of consecutive naturals, for example, 2869 + ... + 5992.

It is an arithmetic number, because the mean of its divisors is an integer number (1435644).

Almost surely, 213840882 is an apocalyptic number.

13840882 is a deficient number, since it is larger than the sum of its proper divisors (9129422).

13840882 is a wasteful number, since it uses less digits than its factorization.

13840882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8945.

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 13840882 is about 3720.3335871935. Note that the first 3 decimals coincide. The cubic root of 13840882 is about 240.0976570168.

The spelling of 13840882 in words is "thirteen million, eight hundred forty thousand, eight hundred eighty-two".

Divisors: 1 2 11 22 71 142 781 1562 8861 17722 97471 194942 629131 1258262 6920441 13840882