Base | Representation |
---|---|
bin | 1010001001000… |
… | …0110101011000 |
3 | 2222001001210210 |
4 | 2202100311120 |
5 | 41342130110 |
6 | 4115411120 |
7 | 1024360323 |
oct | 242206530 |
9 | 88031723 |
10 | 42536280 |
11 | 22013156 |
12 | 122b3aa0 |
13 | 8a740c7 |
14 | 59137ba |
15 | 3b03520 |
hex | 2890d58 |
42536280 has 32 divisors (see below), whose sum is σ = 127609200. Its totient is φ = 11342976.
The previous prime is 42536239. The next prime is 42536287. The reversal of 42536280 is 8263524.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42536287) 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, 177115 + ... + 177354.
Almost surely, 242536280 is an apocalyptic number.
42536280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
42536280 is an abundant number, since it is smaller than the sum of its proper divisors (85072920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42536280 is a wasteful number, since it uses less digits than its factorization.
42536280 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 354483 (or 354479 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 30.
The square root of 42536280 is about 6521.9843606068. The cubic root of 42536280 is about 349.0758750529.
The spelling of 42536280 in words is "forty-two million, five hundred thirty-six thousand, two hundred eighty".
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