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13085474 = 26542737
BaseRepresentation
bin110001111010…
…101100100010
3220121210220012
4301322230202
511322213344
61144244522
7216140033
oct61725442
926553805
1013085474
117428346
124470742
1329320ac
141a48a8a
15123729e
hexc7ab22

13085474 has 4 divisors (see below), whose sum is σ = 19628214. Its totient is φ = 6542736.

The previous prime is 13085453. The next prime is 13085483. The reversal of 13085474 is 47458031.

13085474 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47458031 = 107443533.

It can be written as a sum of positive squares in only one way, i.e., 11662225 + 1423249 = 3415^2 + 1193^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13085474.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3271367 + ... + 3271370.

Almost surely, 213085474 is an apocalyptic number.

13085474 is a deficient number, since it is larger than the sum of its proper divisors (6542740).

13085474 is an equidigital number, since it uses as much as digits as its factorization.

13085474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6542739.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 13085474 is about 3617.3849670722. The cubic root of 13085474 is about 235.6476716219.

The spelling of 13085474 in words is "thirteen million, eighty-five thousand, four hundred seventy-four".

Divisors: 1 2 6542737 13085474