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13892890 = 2511532383
BaseRepresentation
bin110100111111…
…110100011010
3222010211110111
4310333310122
512024033030
61213434534
7226042024
oct64776432
928124414
1013892890
117929a30
12479ba4a
132b5575b
141bb9014
15134662a
hexd3fd1a

13892890 has 32 divisors (see below), whose sum is σ = 27806976. Its totient is φ = 4954560.

The previous prime is 13892887. The next prime is 13892917. The reversal of 13892890 is 9829831.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4639 + ... + 7021.

It is an arithmetic number, because the mean of its divisors is an integer number (868968).

Almost surely, 213892890 is an apocalyptic number.

13892890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13892890 is an abundant number, since it is smaller than the sum of its proper divisors (13914086).

13892890 is a wasteful number, since it uses less digits than its factorization.

13892890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2454.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 13892890 is about 3727.3167292303. The cubic root of 13892890 is about 240.3980085715.

The spelling of 13892890 in words is "thirteen million, eight hundred ninety-two thousand, eight hundred ninety".

Divisors: 1 2 5 10 11 22 53 55 106 110 265 530 583 1166 2383 2915 4766 5830 11915 23830 26213 52426 126299 131065 252598 262130 631495 1262990 1389289 2778578 6946445 13892890