Base | Representation |
---|---|
bin | 1010011011111… |
… | …11101111101000 |
3 | 20002202020221120 |
4 | 11031333233220 |
5 | 134403230143 |
6 | 12404335240 |
7 | 2112130350 |
oct | 515775750 |
9 | 202666846 |
10 | 87555048 |
11 | 45471449 |
12 | 253a4520 |
13 | 151a7129 |
14 | b8b1b60 |
15 | 7a47383 |
hex | 537fbe8 |
87555048 has 32 divisors (see below), whose sum is σ = 250157760. Its totient is φ = 25015680.
The previous prime is 87555019. The next prime is 87555053. The reversal of 87555048 is 84055578.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260413 + ... + 260748.
It is an arithmetic number, because the mean of its divisors is an integer number (7817430).
Almost surely, 287555048 is an apocalyptic number.
It is an amenable number.
87555048 is an abundant number, since it is smaller than the sum of its proper divisors (162602712).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87555048 is a wasteful number, since it uses less digits than its factorization.
87555048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 521177 (or 521173 counting only the distinct ones).
The product of its (nonzero) digits is 224000, while the sum is 42.
The square root of 87555048 is about 9357.0854436625. The cubic root of 87555048 is about 444.0450810488.
The spelling of 87555048 in words is "eighty-seven million, five hundred fifty-five thousand, forty-eight".
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