Base | Representation |
---|---|
bin | 110100011110… |
… | …011011101001 |
3 | 221212212212120 |
4 | 310132123221 |
5 | 12010144022 |
6 | 1210501453 |
7 | 224632233 |
oct | 64363351 |
9 | 27785776 |
10 | 13756137 |
11 | 784620a |
12 | 4734889 |
13 | 2b08435 |
14 | 1b81253 |
15 | 131ad5c |
hex | d1e6e9 |
13756137 has 4 divisors (see below), whose sum is σ = 18341520. Its totient is φ = 9170756.
The previous prime is 13756129. The next prime is 13756147. The reversal of 13756137 is 73165731.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 73165731 = 3 ⋅24388577.
It is a cyclic number.
It is not a de Polignac number, because 13756137 - 23 = 13756129 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 13756098 and 13756107.
It is not an unprimeable number, because it can be changed into a prime (13756117) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2292687 + ... + 2292692.
It is an arithmetic number, because the mean of its divisors is an integer number (4585380).
Almost surely, 213756137 is an apocalyptic number.
It is an amenable number.
13756137 is a deficient number, since it is larger than the sum of its proper divisors (4585383).
13756137 is an equidigital number, since it uses as much as digits as its factorization.
13756137 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4585382.
The product of its digits is 13230, while the sum is 33.
The square root of 13756137 is about 3708.9266641442. The cubic root of 13756137 is about 239.6066299077.
The spelling of 13756137 in words is "thirteen million, seven hundred fifty-six thousand, one hundred thirty-seven".
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