Base | Representation |
---|---|
bin | 101111110001… |
… | …100111001111 |
3 | 212120021200020 |
4 | 233301213033 |
5 | 11201231413 |
6 | 1124233223 |
7 | 211311033 |
oct | 57614717 |
9 | 25507606 |
10 | 12523983 |
11 | 70844aa |
12 | 423b813 |
13 | 2796654 |
14 | 19401c3 |
15 | 1175c23 |
hex | bf19cf |
12523983 has 32 divisors (see below), whose sum is σ = 18869760. Its totient is φ = 7349760.
The previous prime is 12523981. The next prime is 12523999. The reversal of 12523983 is 38932521.
It is not a de Polignac number, because 12523983 - 21 = 12523981 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12523981) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53635 + ... + 53867.
It is an arithmetic number, because the mean of its divisors is an integer number (589680).
Almost surely, 212523983 is an apocalyptic number.
12523983 is a deficient number, since it is larger than the sum of its proper divisors (6345777).
12523983 is a wasteful number, since it uses less digits than its factorization.
12523983 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 319.
The product of its digits is 12960, while the sum is 33.
The square root of 12523983 is about 3538.9239890113. The cubic root of 12523983 is about 232.2277724899.
The spelling of 12523983 in words is "twelve million, five hundred twenty-three thousand, nine hundred eighty-three".
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