Base | Representation |
---|---|
bin | 11011011100011… |
… | …10010010111100 |
3 | 121001012102211021 |
4 | 31232032102330 |
5 | 432414032423 |
6 | 34502233524 |
7 | 5463563134 |
oct | 1556162274 |
9 | 531172737 |
10 | 230220988 |
11 | 108a54488 |
12 | 651258a4 |
13 | 38908a4a |
14 | 2280bac4 |
15 | 1532895d |
hex | db8e4bc |
230220988 has 6 divisors (see below), whose sum is σ = 402886736. Its totient is φ = 115110492.
The previous prime is 230220877. The next prime is 230221031. The reversal of 230220988 is 889022032.
It is a happy number.
It is a super-2 number, since 2×2302209882 = 106003406631392288, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28777620 + ... + 28777627.
Almost surely, 2230220988 is an apocalyptic number.
It is an amenable number.
230220988 is a deficient number, since it is larger than the sum of its proper divisors (172665748).
230220988 is a wasteful number, since it uses less digits than its factorization.
230220988 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57555251 (or 57555249 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 34.
The square root of 230220988 is about 15173.0348974752. The cubic root of 230220988 is about 612.8887332679. Note that the first 3 decimals are identical.
The spelling of 230220988 in words is "two hundred thirty million, two hundred twenty thousand, nine hundred eighty-eight".
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