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13385642 = 243317491
BaseRepresentation
bin110011000011…
…111110101010
3221012001122112
4303003332222
511411320032
61154522322
7221530124
oct63037652
927161575
1013385642
117612916
1245963a2
132a088ca
141ac6214
1512961b2
hexcc3faa

13385642 has 16 divisors (see below), whose sum is σ = 20652192. Its totient is φ = 6503280.

The previous prime is 13385611. The next prime is 13385677. The reversal of 13385642 is 24658331.

It is a junction number, because it is equal to n+sod(n) for n = 13385599 and 13385608.

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, 27017 + ... + 27507.

It is an arithmetic number, because the mean of its divisors is an integer number (1290762).

Almost surely, 213385642 is an apocalyptic number.

13385642 is a deficient number, since it is larger than the sum of its proper divisors (7266550).

13385642 is a wasteful number, since it uses less digits than its factorization.

13385642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853.

The product of its digits is 17280, while the sum is 32.

The square root of 13385642 is about 3658.6393645726. The cubic root of 13385642 is about 237.4359095763.

The spelling of 13385642 in words is "thirteen million, three hundred eighty-five thousand, six hundred forty-two".

Divisors: 1 2 43 86 317 491 634 982 13631 21113 27262 42226 155647 311294 6692821 13385642