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13374857 = 31431447
BaseRepresentation
bin110011000001…
…010110001001
3221011111212002
4303001112021
511410443412
61154400345
7221453516
oct63012611
927144762
1013374857
117605801
1245900b5
132a03a22
141ac230d
151292dc2
hexcc1589

13374857 has 4 divisors (see below), whose sum is σ = 13806336. Its totient is φ = 12943380.

The previous prime is 13374853. The next prime is 13374877. The reversal of 13374857 is 75847331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13374857 - 22 = 13374853 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13374857.

It is not an unprimeable number, because it can be changed into a prime (13374853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215693 + ... + 215754.

It is an arithmetic number, because the mean of its divisors is an integer number (3451584).

Almost surely, 213374857 is an apocalyptic number.

It is an amenable number.

13374857 is a deficient number, since it is larger than the sum of its proper divisors (431479).

13374857 is an equidigital number, since it uses as much as digits as its factorization.

13374857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431478.

The product of its digits is 70560, while the sum is 38.

The square root of 13374857 is about 3657.1651589722. The cubic root of 13374857 is about 237.3721239584.

The spelling of 13374857 in words is "thirteen million, three hundred seventy-four thousand, eight hundred fifty-seven".

Divisors: 1 31 431447 13374857