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13975698 = 23111071979
BaseRepresentation
bin110101010100…
…000010010010
3222022001001110
4311110002102
512034210243
61215314150
7226535322
oct65240222
928261043
1013975698
117986170
12481b956
132b84359
141bdb282
151360e33
hexd54092

13975698 has 32 divisors (see below), whose sum is σ = 30792960. Its totient is φ = 4193360.

The previous prime is 13975693. The next prime is 13975721. The reversal of 13975698 is 89657931.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13975691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6073 + ... + 8051.

It is an arithmetic number, because the mean of its divisors is an integer number (962280).

Almost surely, 213975698 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13975698, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15396480).

13975698 is an abundant number, since it is smaller than the sum of its proper divisors (16817262).

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

13975698 is a wasteful number, since it uses less digits than its factorization.

13975698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2102.

The product of its digits is 408240, while the sum is 48.

The square root of 13975698 is about 3738.4084849037. The cubic root of 13975698 is about 240.8746902259.

The spelling of 13975698 in words is "thirteen million, nine hundred seventy-five thousand, six hundred ninety-eight".

Divisors: 1 2 3 6 11 22 33 66 107 214 321 642 1177 1979 2354 3531 3958 5937 7062 11874 21769 43538 65307 130614 211753 423506 635259 1270518 2329283 4658566 6987849 13975698