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13011352 = 231985601
BaseRepresentation
bin110001101000…
…100110011000
3220111001012221
4301220212120
511312330402
61142513424
7215410654
oct61504630
926431187
1013011352
117387692
124435874
132907433
141a29a64
151220337
hexc68998

13011352 has 16 divisors (see below), whose sum is σ = 25680600. Its totient is φ = 6163200.

The previous prime is 13011347. The next prime is 13011367. The reversal of 13011352 is 25311031.

It is a super-3 number, since 3×130113523 (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42649 + ... + 42952.

Almost surely, 213011352 is an apocalyptic number.

It is an amenable number.

13011352 is a deficient number, since it is larger than the sum of its proper divisors (12669248).

13011352 is a wasteful number, since it uses less digits than its factorization.

13011352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85626 (or 85622 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 13011352 is about 3607.1251711023. The cubic root of 13011352 is about 235.2018907865.

Adding to 13011352 its reverse (25311031), we get a palindrome (38322383).

The spelling of 13011352 in words is "thirteen million, eleven thousand, three hundred fifty-two".

Divisors: 1 2 4 8 19 38 76 152 85601 171202 342404 684808 1626419 3252838 6505676 13011352