Base | Representation |
---|---|
bin | 1010011111100… |
… | …10000001100010 |
3 | 20010122001001020 |
4 | 11033302001202 |
5 | 140013220023 |
6 | 12422350310 |
7 | 2116120140 |
oct | 517620142 |
9 | 203561036 |
10 | 88023138 |
11 | 457610a5 |
12 | 2558b396 |
13 | 1530c1c8 |
14 | b994590 |
15 | 7adade3 |
hex | 53f2062 |
88023138 has 16 divisors (see below), whose sum is σ = 201195840. Its totient is φ = 25149456.
The previous prime is 88023137. The next prime is 88023163. The reversal of 88023138 is 83132088.
It is a junction number, because it is equal to n+sod(n) for n = 88023099 and 88023108.
It is not an unprimeable number, because it can be changed into a prime (88023137) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1047853 + ... + 1047936.
It is an arithmetic number, because the mean of its divisors is an integer number (12574740).
Almost surely, 288023138 is an apocalyptic number.
88023138 is an abundant number, since it is smaller than the sum of its proper divisors (113172702).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
88023138 is a wasteful number, since it uses less digits than its factorization.
88023138 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2095801.
The product of its (nonzero) digits is 9216, while the sum is 33.
The square root of 88023138 is about 9382.0646981355. The cubic root of 88023138 is about 444.8349983729.
The spelling of 88023138 in words is "eighty-eight million, twenty-three thousand, one hundred thirty-eight".
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