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13711928 = 2317100823
BaseRepresentation
bin110100010011…
…101000111000
3221210122020012
4310103220320
512002240203
61205521052
7224356316
oct64235070
927718205
1013711928
117815a7a
124713188
132ac1289
141b6d0b6
15130cbd8
hexd13a38

13711928 has 16 divisors (see below), whose sum is σ = 27222480. Its totient is φ = 6452608.

The previous prime is 13711927. The next prime is 13711931. The reversal of 13711928 is 82911731.

It is a junction number, because it is equal to n+sod(n) for n = 13711894 and 13711903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13711927) by changing a digit.

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, 50276 + ... + 50547.

It is an arithmetic number, because the mean of its divisors is an integer number (1701405).

Almost surely, 213711928 is an apocalyptic number.

It is an amenable number.

13711928 is a deficient number, since it is larger than the sum of its proper divisors (13510552).

13711928 is a wasteful number, since it uses less digits than its factorization.

13711928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100846 (or 100842 counting only the distinct ones).

The product of its digits is 3024, while the sum is 32.

The square root of 13711928 is about 3702.9620575966. The cubic root of 13711928 is about 239.3496745971.

The spelling of 13711928 in words is "thirteen million, seven hundred eleven thousand, nine hundred twenty-eight".

Divisors: 1 2 4 8 17 34 68 136 100823 201646 403292 806584 1713991 3427982 6855964 13711928