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13898706 = 232316451
BaseRepresentation
bin110101000001…
…001111010010
3222011010102220
4311001033102
512024224311
61213521510
7226065003
oct65011722
928133386
1013898706
117933338
1247a3296
132b582b3
141bbb1aa
151348206
hexd413d2

13898706 has 8 divisors (see below), whose sum is σ = 27797424. Its totient is φ = 4632900.

The previous prime is 13898701. The next prime is 13898719. The reversal of 13898706 is 60789831.

It is a sphenic number, since it is the product of 3 distinct primes.

13898706 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (13898701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1158220 + ... + 1158231.

It is an arithmetic number, because the mean of its divisors is an integer number (3474678).

Almost surely, 213898706 is an apocalyptic number.

13898706 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13898706 is a wasteful number, since it uses less digits than its factorization.

13898706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2316456.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 13898706 is about 3728.0968335063. The cubic root of 13898706 is about 240.4315499431.

The spelling of 13898706 in words is "thirteen million, eight hundred ninety-eight thousand, seven hundred six".

Divisors: 1 2 3 6 2316451 4632902 6949353 13898706