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13389374 = 26694687
BaseRepresentation
bin110011000100…
…111000111110
3221012020202202
4303010320332
511411424444
61154551502
7221544035
oct63047076
927166682
1013389374
1176156a9
124598592
132a0a50b
141ac771c
15129734e
hexcc4e3e

13389374 has 4 divisors (see below), whose sum is σ = 20084064. Its totient is φ = 6694686.

The previous prime is 13389373. The next prime is 13389377. The reversal of 13389374 is 47398331.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×133893742 = 358550672223752, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13389373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3347342 + ... + 3347345.

It is an arithmetic number, because the mean of its divisors is an integer number (5021016).

Almost surely, 213389374 is an apocalyptic number.

13389374 is a deficient number, since it is larger than the sum of its proper divisors (6694690).

13389374 is an equidigital number, since it uses as much as digits as its factorization.

13389374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6694689.

The product of its digits is 54432, while the sum is 38.

The square root of 13389374 is about 3659.1493546998. The cubic root of 13389374 is about 237.4579737272.

The spelling of 13389374 in words is "thirteen million, three hundred eighty-nine thousand, three hundred seventy-four".

Divisors: 1 2 6694687 13389374