Base | Representation |
---|---|
bin | 110001111011… |
… | …111111010111 |
3 | 220122002011112 |
4 | 301323333113 |
5 | 11322401100 |
6 | 1144325235 |
7 | 216161345 |
oct | 61737727 |
9 | 26562145 |
10 | 13090775 |
11 | 7431325 |
12 | 447381b |
13 | 2934629 |
14 | 1a4a995 |
15 | 1238b35 |
hex | c7bfd7 |
13090775 has 6 divisors (see below), whose sum is σ = 16232592. Its totient is φ = 10472600.
The previous prime is 13090771. The next prime is 13090793. The reversal of 13090775 is 57709031.
It is not a de Polignac number, because 13090775 - 22 = 13090771 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13090771) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 261791 + ... + 261840.
It is an arithmetic number, because the mean of its divisors is an integer number (2705432).
Almost surely, 213090775 is an apocalyptic number.
13090775 is a deficient number, since it is larger than the sum of its proper divisors (3141817).
13090775 is an equidigital number, since it uses as much as digits as its factorization.
13090775 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 523641 (or 523636 counting only the distinct ones).
The product of its (nonzero) digits is 6615, while the sum is 32.
The square root of 13090775 is about 3618.1176045010. The cubic root of 13090775 is about 235.6794880636.
The spelling of 13090775 in words is "thirteen million, ninety thousand, seven hundred seventy-five".
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