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13589138 = 237183637
BaseRepresentation
bin110011110101…
…101010010010
3221120101210102
4303311222102
511434323023
61203132402
7223335323
oct63655222
927511712
1013589138
1177417a2
124674102
132a7a414
141b3a44a
1512d6628
hexcf5a92

13589138 has 8 divisors (see below), whose sum is σ = 20934732. Its totient is φ = 6610896.

The previous prime is 13589119. The next prime is 13589179. The reversal of 13589138 is 83198531.

It can be written as a sum of positive squares in 2 ways, for example, as 13564489 + 24649 = 3683^2 + 157^2 .

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

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 91745 + ... + 91892.

Almost surely, 213589138 is an apocalyptic number.

13589138 is a deficient number, since it is larger than the sum of its proper divisors (7345594).

13589138 is a wasteful number, since it uses less digits than its factorization.

13589138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183676.

The product of its digits is 25920, while the sum is 38.

The square root of 13589138 is about 3686.3448021041. The cubic root of 13589138 is about 238.6330743305.

The spelling of 13589138 in words is "thirteen million, five hundred eighty-nine thousand, one hundred thirty-eight".

Divisors: 1 2 37 74 183637 367274 6794569 13589138