Base | Representation |
---|---|
bin | 1010011000010… |
… | …10100011001110 |
3 | 20001211212110211 |
4 | 11030022203032 |
5 | 134242400042 |
6 | 12350153034 |
7 | 2105061016 |
oct | 514124316 |
9 | 201755424 |
10 | 87075022 |
11 | 45173831 |
12 | 251b277a |
13 | 150697a8 |
14 | b7c8c46 |
15 | 79a0017 |
hex | 530a8ce |
87075022 has 4 divisors (see below), whose sum is σ = 130612536. Its totient is φ = 43537510.
The previous prime is 87075017. The next prime is 87075041. The reversal of 87075022 is 22057078.
It is a semiprime because it is the product of two primes.
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
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, 21768754 + ... + 21768757.
It is an arithmetic number, because the mean of its divisors is an integer number (32653134).
Almost surely, 287075022 is an apocalyptic number.
87075022 is a deficient number, since it is larger than the sum of its proper divisors (43537514).
87075022 is a wasteful number, since it uses less digits than its factorization.
87075022 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43537513.
The product of its (nonzero) digits is 7840, while the sum is 31.
The square root of 87075022 is about 9331.3997878132. The cubic root of 87075022 is about 443.2320918811.
The spelling of 87075022 in words is "eighty-seven million, seventy-five thousand, twenty-two".
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