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13711923 = 34169283
BaseRepresentation
bin110100010011…
…101000110011
3221210122020000
4310103220303
512002240143
61205521043
7224356311
oct64235063
927718200
1013711923
117815a75
124713183
132ac1284
141b6d0b1
15130cbd3
hexd13a33

13711923 has 10 divisors (see below), whose sum is σ = 20483364. Its totient is φ = 9141228.

The previous prime is 13711903. The next prime is 13711927. The reversal of 13711923 is 32911731.

13711923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13711923 - 28 = 13711667 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

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

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 84561 + ... + 84722.

Almost surely, 213711923 is an apocalyptic number.

13711923 is a deficient number, since it is larger than the sum of its proper divisors (6771441).

13711923 is an equidigital number, since it uses as much as digits as its factorization.

13711923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169295 (or 169286 counting only the distinct ones).

The product of its digits is 1134, while the sum is 27.

The square root of 13711923 is about 3702.9613824613. The cubic root of 13711923 is about 239.3496455045.

The spelling of 13711923 in words is "thirteen million, seven hundred eleven thousand, nine hundred twenty-three".

Divisors: 1 3 9 27 81 169283 507849 1523547 4570641 13711923