Base | Representation |
---|---|
bin | 110010100000… |
… | …000101111010 |
3 | 220220121000101 |
4 | 302200011322 |
5 | 11342114100 |
6 | 1151430014 |
7 | 220345435 |
oct | 62400572 |
9 | 26817011 |
10 | 13238650 |
11 | 7522437 |
12 | 452530a |
13 | 2986a29 |
14 | 1a8881c |
15 | 126786a |
hex | ca017a |
13238650 has 24 divisors (see below), whose sum is σ = 24803100. Its totient is φ = 5256960.
The previous prime is 13238633. The next prime is 13238653. The reversal of 13238650 is 5683231.
It can be written as a sum of positive squares in 6 ways, for example, as 2289169 + 10949481 = 1513^2 + 3309^2 .
It is not an unprimeable number, because it can be changed into a prime (13238653) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6562 + ... + 8338.
Almost surely, 213238650 is an apocalyptic number.
13238650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13238650 is a deficient number, since it is larger than the sum of its proper divisors (11564450).
13238650 is a wasteful number, since it uses less digits than its factorization.
13238650 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1938 (or 1933 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 28.
The square root of 13238650 is about 3638.4955682260. The cubic root of 13238650 is about 236.5635888708.
The spelling of 13238650 in words is "thirteen million, two hundred thirty-eight thousand, six hundred fifty".
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