Base | Representation |
---|---|
bin | 1010011000010… |
… | …10100101110110 |
3 | 20001211212201001 |
4 | 11030022211312 |
5 | 134242401230 |
6 | 12350153514 |
7 | 2105061346 |
oct | 514124566 |
9 | 201755631 |
10 | 87075190 |
11 | 45173974 |
12 | 251b289a |
13 | 150698a7 |
14 | b7c8d26 |
15 | 79a00ca |
hex | 530a976 |
87075190 has 16 divisors (see below), whose sum is σ = 165955392. Its totient is φ = 32781184.
The previous prime is 87075179. The next prime is 87075193. The reversal of 87075190 is 9157078.
It is a super-2 number, since 2×870751902 = 15164177427072200, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87075193) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255934 + ... + 256273.
It is an arithmetic number, because the mean of its divisors is an integer number (10372212).
Almost surely, 287075190 is an apocalyptic number.
87075190 is a deficient number, since it is larger than the sum of its proper divisors (78880202).
87075190 is a wasteful number, since it uses less digits than its factorization.
87075190 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 512231.
The product of its (nonzero) digits is 17640, while the sum is 37.
The square root of 87075190 is about 9331.4087896737. The cubic root of 87075190 is about 443.2323769339.
The spelling of 87075190 in words is "eighty-seven million, seventy-five thousand, one hundred ninety".
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