Base | Representation |
---|---|
bin | 1010011000010… |
… | …10101010101010 |
3 | 20001211220010110 |
4 | 11030022222222 |
5 | 134242403443 |
6 | 12350155150 |
7 | 2105062266 |
oct | 514125252 |
9 | 201756113 |
10 | 87075498 |
11 | 45174124 |
12 | 251b2ab6 |
13 | 15069a83 |
14 | b7c90a6 |
15 | 79a0233 |
hex | 530aaaa |
87075498 has 16 divisors (see below), whose sum is σ = 174748896. Its totient is φ = 28925520.
The previous prime is 87075491. The next prime is 87075511. The reversal of 87075498 is 89457078.
It is not an unprimeable number, because it can be changed into a prime (87075491) 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, 23008 + ... + 26523.
It is an arithmetic number, because the mean of its divisors is an integer number (10921806).
Almost surely, 287075498 is an apocalyptic number.
87075498 is an abundant number, since it is smaller than the sum of its proper divisors (87673398).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87075498 is a wasteful number, since it uses less digits than its factorization.
87075498 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49829.
The product of its (nonzero) digits is 564480, while the sum is 48.
The square root of 87075498 is about 9331.4252930621. The cubic root of 87075498 is about 443.2328995298.
The spelling of 87075498 in words is "eighty-seven million, seventy-five thousand, four hundred ninety-eight".
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