Base | Representation |
---|---|
bin | 110010010101… |
… | …011101000000 |
3 | 220211101020101 |
4 | 302111131000 |
5 | 11334220242 |
6 | 1150452144 |
7 | 220104412 |
oct | 62253500 |
9 | 26741211 |
10 | 13195072 |
11 | 74a2720 |
12 | 4504054 |
13 | 296cc47 |
14 | 1a769b2 |
15 | 12599b7 |
hex | c95740 |
13195072 has 28 divisors (see below), whose sum is σ = 28565856. Its totient is φ = 5997440.
The previous prime is 13195069. The next prime is 13195073. The reversal of 13195072 is 27059131.
13195072 is nontrivially palindromic in base 12.
It is a self number, because there is not a number n which added to its sum of digits gives 13195072.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13195073) 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, 8668 + ... + 10075.
Almost surely, 213195072 is an apocalyptic number.
It is an amenable number.
13195072 is an abundant number, since it is smaller than the sum of its proper divisors (15370784).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13195072 is a wasteful number, since it uses less digits than its factorization.
13195072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18766 (or 18756 counting only the distinct ones).
The product of its (nonzero) digits is 1890, while the sum is 28.
The square root of 13195072 is about 3632.5021679278. The cubic root of 13195072 is about 236.3037360852.
The spelling of 13195072 in words is "thirteen million, one hundred ninety-five thousand, seventy-two".
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