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13707156 = 2231142263
BaseRepresentation
bin110100010010…
…011110010100
3221210101200110
4310102132110
512002112111
61205443020
7224336361
oct64223624
927711613
1013707156
117812431
124710470
132abc058
141b6b468
15130b5a6
hexd12794

13707156 has 12 divisors (see below), whose sum is σ = 31983392. Its totient is φ = 4569048.

The previous prime is 13707139. The next prime is 13707163. The reversal of 13707156 is 65170731.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×137071562 = 375772251216672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 571120 + ... + 571143.

Almost surely, 213707156 is an apocalyptic number.

It is an amenable number.

13707156 is an abundant number, since it is smaller than the sum of its proper divisors (18276236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13707156 is a wasteful number, since it uses less digits than its factorization.

13707156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142270 (or 1142268 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 30.

The square root of 13707156 is about 3702.3176524982. The cubic root of 13707156 is about 239.3219053641.

Adding to 13707156 its reverse (65170731), we get a palindrome (78877887).

The spelling of 13707156 in words is "thirteen million, seven hundred seven thousand, one hundred fifty-six".

Divisors: 1 2 3 4 6 12 1142263 2284526 3426789 4569052 6853578 13707156