Base | Representation |
---|---|
bin | 1010011111010… |
… | …11101001010010 |
3 | 20010120201012112 |
4 | 11033223221102 |
5 | 140011401020 |
6 | 12422025322 |
7 | 2115651023 |
oct | 517535122 |
9 | 203521175 |
10 | 87997010 |
11 | 45743502 |
12 | 25578242 |
13 | 1530034a |
14 | b988c4a |
15 | 7ad32c5 |
hex | 53eba52 |
87997010 has 8 divisors (see below), whose sum is σ = 158394636. Its totient is φ = 35198800.
The previous prime is 87997009. The next prime is 87997027. The reversal of 87997010 is 1079978.
It can be written as a sum of positive squares in 2 ways, for example, as 85137529 + 2859481 = 9227^2 + 1691^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4399841 + ... + 4399860.
Almost surely, 287997010 is an apocalyptic number.
87997010 is a deficient number, since it is larger than the sum of its proper divisors (70397626).
87997010 is a wasteful number, since it uses less digits than its factorization.
87997010 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8799708.
The product of its (nonzero) digits is 31752, while the sum is 41.
The square root of 87997010 is about 9380.6721507576. The cubic root of 87997010 is about 444.7909804049.
The spelling of 87997010 in words is "eighty-seven million, nine hundred ninety-seven thousand, ten".
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