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13388674 = 213514949
BaseRepresentation
bin110011000100…
…101110000010
3221012012210211
4303010232002
511411414144
61154544334
7221542015
oct63045602
927165724
1013388674
117615122
1245980aa
132a0a0c0
141ac737c
151297034
hexcc4b82

13388674 has 8 divisors (see below), whose sum is σ = 21627900. Its totient is φ = 6179376.

The previous prime is 13388671. The next prime is 13388681. The reversal of 13388674 is 47688331.

It can be written as a sum of positive squares in 2 ways, for example, as 13010449 + 378225 = 3607^2 + 615^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (13388671) 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, 257449 + ... + 257500.

Almost surely, 213388674 is an apocalyptic number.

13388674 is a deficient number, since it is larger than the sum of its proper divisors (8239226).

13388674 is a wasteful number, since it uses less digits than its factorization.

13388674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514964.

The product of its digits is 96768, while the sum is 40.

The square root of 13388674 is about 3659.0537028035. The cubic root of 13388674 is about 237.4538355333.

The spelling of 13388674 in words is "thirteen million, three hundred eighty-eight thousand, six hundred seventy-four".

Divisors: 1 2 13 26 514949 1029898 6694337 13388674