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13829378 = 219439829
BaseRepresentation
bin110100110000…
…010100000010
3222000121100012
4310300110002
512020020003
61212224522
7225355613
oct64602402
928017305
1013829378
117896242
12476b142
132b32884
141b9dc0a
1513328d8
hexd30502

13829378 has 16 divisors (see below), whose sum is σ = 21912000. Its totient is φ = 6527952.

The previous prime is 13829363. The next prime is 13829383. The reversal of 13829378 is 87392831.

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, 16268 + ... + 17096.

It is an arithmetic number, because the mean of its divisors is an integer number (1369500).

Almost surely, 213829378 is an apocalyptic number.

13829378 is a deficient number, since it is larger than the sum of its proper divisors (8082622).

13829378 is a wasteful number, since it uses less digits than its factorization.

13829378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1289.

The product of its digits is 72576, while the sum is 41.

The square root of 13829378 is about 3718.7871678815. The cubic root of 13829378 is about 240.0311186501.

The spelling of 13829378 in words is "thirteen million, eight hundred twenty-nine thousand, three hundred seventy-eight".

Divisors: 1 2 19 38 439 829 878 1658 8341 15751 16682 31502 363931 727862 6914689 13829378