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13902994 = 272343177
BaseRepresentation
bin110101000010…
…010010010010
3222011100022201
4311002102102
512024343434
61213553414
7226113340
oct65022222
928140281
1013902994
117936586
1247a586a
132b5a231
141bbc990
151349614
hexd42492

13902994 has 16 divisors (see below), whose sum is σ = 24870528. Its totient is φ = 5699232.

The previous prime is 13902989. The next prime is 13902997. The reversal of 13902994 is 49920931.

It is not an unprimeable number, because it can be changed into a prime (13902997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21267 + ... + 21910.

It is an arithmetic number, because the mean of its divisors is an integer number (1554408).

Almost surely, 213902994 is an apocalyptic number.

13902994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13902994 is a deficient number, since it is larger than the sum of its proper divisors (10967534).

13902994 is a wasteful number, since it uses less digits than its factorization.

13902994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43209.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 13902994 is about 3728.6718815149. The cubic root of 13902994 is about 240.4562732155.

The spelling of 13902994 in words is "thirteen million, nine hundred two thousand, nine hundred ninety-four".

Divisors: 1 2 7 14 23 46 161 322 43177 86354 302239 604478 993071 1986142 6951497 13902994