Base | Representation |
---|---|
bin | 1100001101100… |
… | …01011010111100 |
3 | 21010202102022210 |
4 | 12012301122330 |
5 | 202211013323 |
6 | 14055340420 |
7 | 2352466530 |
oct | 606613274 |
9 | 233672283 |
10 | 102438588 |
11 | 5290769a |
12 | 2a381710 |
13 | 182b8765 |
14 | d867bc0 |
15 | 8ed7293 |
hex | 61b16bc |
102438588 has 24 divisors (see below), whose sum is σ = 273169792. Its totient is φ = 29268144.
The previous prime is 102438577. The next prime is 102438613. The reversal of 102438588 is 885834201.
It is a super-2 number, since 2×1024385882 = 20987328622867488, which contains 22 as substring.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 609670 + ... + 609837.
Almost surely, 2102438588 is an apocalyptic number.
It is an amenable number.
102438588 is an abundant number, since it is smaller than the sum of its proper divisors (170731204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102438588 is a wasteful number, since it uses less digits than its factorization.
102438588 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1219521 (or 1219519 counting only the distinct ones).
The product of its (nonzero) digits is 61440, while the sum is 39.
The square root of 102438588 is about 10121.1949887353. The cubic root of 102438588 is about 467.9015973986.
The spelling of 102438588 in words is "one hundred two million, four hundred thirty-eight thousand, five hundred eighty-eight".
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