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13974245 = 55352733
BaseRepresentation
bin110101010011…
…101011100101
3222021222001122
4311103223211
512034133440
61215303325
7226531145
oct65235345
928258048
1013974245
11798506a
12481ab45
132b837ac
141bda925
1513607b5
hexd53ae5

13974245 has 8 divisors (see below), whose sum is σ = 17085816. Its totient is φ = 10968256.

The previous prime is 13974239. The next prime is 13974277. The reversal of 13974245 is 54247931.

It can be written as a sum of positive squares in 4 ways, for example, as 1136356 + 12837889 = 1066^2 + 3583^2 .

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 13974245 - 24 = 13974229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26102 + ... + 26631.

It is an arithmetic number, because the mean of its divisors is an integer number (2135727).

Almost surely, 213974245 is an apocalyptic number.

It is an amenable number.

13974245 is a deficient number, since it is larger than the sum of its proper divisors (3111571).

13974245 is an equidigital number, since it uses as much as digits as its factorization.

13974245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52791.

The product of its digits is 30240, while the sum is 35.

The square root of 13974245 is about 3738.2141458188. The cubic root of 13974245 is about 240.8663423291.

The spelling of 13974245 in words is "thirteen million, nine hundred seventy-four thousand, two hundred forty-five".

Divisors: 1 5 53 265 52733 263665 2794849 13974245