Base | Representation |
---|---|
bin | 101101010001… |
… | …1100100000111 |
3 | 1122200001021120 |
4 | 1122203210013 |
5 | 22034114011 |
6 | 2204445023 |
7 | 405526560 |
oct | 132434407 |
9 | 48601246 |
10 | 23738631 |
11 | 12444204 |
12 | 7b49773 |
13 | 4bc2037 |
14 | 321d167 |
15 | 213da06 |
hex | 16a3907 |
23738631 has 32 divisors (see below), whose sum is σ = 37632000. Its totient is φ = 13029120.
The previous prime is 23738629. The next prime is 23738633. The reversal of 23738631 is 13683732.
It is an interprime number because it is at equal distance from previous prime (23738629) and next prime (23738633).
It is not a de Polignac number, because 23738631 - 21 = 23738629 is a prime.
It is a super-2 number, since 2×237386312 = 1127045203508322, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 23738592 and 23738601.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23738633) 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, 67845 + ... + 68193.
It is an arithmetic number, because the mean of its divisors is an integer number (1176000).
Almost surely, 223738631 is an apocalyptic number.
23738631 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
23738631 is a deficient number, since it is larger than the sum of its proper divisors (13893369).
23738631 is a wasteful number, since it uses less digits than its factorization.
23738631 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 479.
The product of its digits is 18144, while the sum is 33.
The square root of 23738631 is about 4872.2305979910. The cubic root of 23738631 is about 287.3989805138.
The spelling of 23738631 in words is "twenty-three million, seven hundred thirty-eight thousand, six hundred thirty-one".
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