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13975093 = 115323971
BaseRepresentation
bin110101010011…
…111000110101
3222022000020001
4311103320311
512034200333
61215311301
7226533466
oct65237065
928260201
1013975093
117985770
12481b531
132b83cb2
141bdad6d
151360b7d
hexd53e35

13975093 has 8 divisors (see below), whose sum is σ = 15533856. Its totient is φ = 12464400.

The previous prime is 13975063. The next prime is 13975097. The reversal of 13975093 is 39057931.

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 13975093 - 217 = 13844021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13975097) 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, 11403 + ... + 12568.

It is an arithmetic number, because the mean of its divisors is an integer number (1941732).

Almost surely, 213975093 is an apocalyptic number.

It is an amenable number.

13975093 is a deficient number, since it is larger than the sum of its proper divisors (1558763).

13975093 is a wasteful number, since it uses less digits than its factorization.

13975093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24035.

The product of its (nonzero) digits is 25515, while the sum is 37.

The square root of 13975093 is about 3738.3275672418. The cubic root of 13975093 is about 240.8712143997.

It can be divided in two parts, 13 and 975093, that added together give a triangular number (975106 = T1396).

The spelling of 13975093 in words is "thirteen million, nine hundred seventy-five thousand, ninety-three".

Divisors: 1 11 53 583 23971 263681 1270463 13975093