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13990601 = 23976271
BaseRepresentation
bin110101010111…
…101011001001
3222022210111102
4311113223021
512040144401
61215511145
7226626632
oct65275311
928283442
1013990601
117996389
1248284b5
132b8b081
141c02889
15136556b
hexd57ac9

13990601 has 8 divisors (see below), whose sum is σ = 14751744. Its totient is φ = 13242240.

The previous prime is 13990597. The next prime is 13990637. The reversal of 13990601 is 10609931.

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

It is a cyclic number.

It is not a de Polignac number, because 13990601 - 22 = 13990597 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13990001) 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, 905 + ... + 5366.

It is an arithmetic number, because the mean of its divisors is an integer number (1843968).

Almost surely, 213990601 is an apocalyptic number.

It is an amenable number.

13990601 is a deficient number, since it is larger than the sum of its proper divisors (761143).

13990601 is an equidigital number, since it uses as much as digits as its factorization.

13990601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6391.

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 13990601 is about 3740.4011816916. The cubic root of 13990601 is about 240.9602788022.

The spelling of 13990601 in words is "thirteen million, nine hundred ninety thousand, six hundred one".

Divisors: 1 23 97 2231 6271 144233 608287 13990601