Base | Representation |
---|---|
bin | 101100001000… |
… | …1101000000100 |
3 | 1121112200022012 |
4 | 1120101220010 |
5 | 21411001433 |
6 | 2143553352 |
7 | 400460042 |
oct | 130215004 |
9 | 47480265 |
10 | 23140868 |
11 | 12076093 |
12 | 78bb858 |
13 | 4a42c2a |
14 | 3105392 |
15 | 2071848 |
hex | 1611a04 |
23140868 has 12 divisors (see below), whose sum is σ = 40538652. Its totient is φ = 11558400.
The previous prime is 23140853. The next prime is 23140877. The reversal of 23140868 is 86804132.
It can be written as a sum of positive squares in 2 ways, for example, as 692224 + 22448644 = 832^2 + 4738^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2396 + ... + 7212.
It is an arithmetic number, because the mean of its divisors is an integer number (3378221).
Almost surely, 223140868 is an apocalyptic number.
It is an amenable number.
23140868 is a deficient number, since it is larger than the sum of its proper divisors (17397784).
23140868 is a wasteful number, since it uses less digits than its factorization.
23140868 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6022 (or 6020 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 32.
The square root of 23140868 is about 4810.4956085626. The cubic root of 23140868 is about 284.9661106723.
The spelling of 23140868 in words is "twenty-three million, one hundred forty thousand, eight hundred sixty-eight".
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