Base | Representation |
---|---|
bin | 111010110101011… |
… | …001011100100010 |
3 | 2112210100200020200 |
4 | 322311121130202 |
5 | 4010142421021 |
6 | 241540250030 |
7 | 33314003502 |
oct | 7265313442 |
9 | 2483320220 |
10 | 987076386 |
11 | 4671a710a |
12 | 2366a0916 |
13 | 12966398a |
14 | 95145a02 |
15 | 5b9cc126 |
hex | 3ad59722 |
987076386 has 12 divisors (see below), whose sum is σ = 2138665542. Its totient is φ = 329025456.
The previous prime is 987076339. The next prime is 987076411. The reversal of 987076386 is 683670789.
It can be written as a sum of positive squares in only one way, i.e., 794394225 + 192682161 = 28185^2 + 13881^2 .
It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27418771 + ... + 27418806.
Almost surely, 2987076386 is an apocalyptic number.
987076386 is an abundant number, since it is smaller than the sum of its proper divisors (1151589156).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
987076386 is a wasteful number, since it uses less digits than its factorization.
987076386 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54837585 (or 54837582 counting only the distinct ones).
The product of its (nonzero) digits is 3048192, while the sum is 54.
The square root of 987076386 is about 31417.7718178740. The cubic root of 987076386 is about 995.6734365116.
The spelling of 987076386 in words is "nine hundred eighty-seven million, seventy-six thousand, three hundred eighty-six".
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