Base | Representation |
---|---|
bin | 11110011110011000100100 |
3 | 120000212112110 |
4 | 132132120210 |
5 | 4021120042 |
6 | 443121020 |
7 | 124621611 |
oct | 36363044 |
9 | 16025473 |
10 | 7988772 |
11 | 45670a0 |
12 | 2813170 |
13 | 18692ac |
14 | 10bd508 |
15 | a7c09c |
hex | 79e624 |
7988772 has 24 divisors (see below), whose sum is σ = 20335392. Its totient is φ = 2420800.
The previous prime is 7988767. The next prime is 7988789. The reversal of 7988772 is 2778897.
It is a d-powerful number, because it can be written as 72 + 94 + 83 + 87 + 76 + 78 + 211 .
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, 30129 + ... + 30392.
It is an arithmetic number, because the mean of its divisors is an integer number (847308).
Almost surely, 27988772 is an apocalyptic number.
It is an amenable number.
7988772 is an abundant number, since it is smaller than the sum of its proper divisors (12346620).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7988772 is a wasteful number, since it uses less digits than its factorization.
7988772 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60539 (or 60537 counting only the distinct ones).
The product of its digits is 395136, while the sum is 48.
The square root of 7988772 is about 2826.4415790884. The cubic root of 7988772 is about 199.9063895256.
The spelling of 7988772 in words is "seven million, nine hundred eighty-eight thousand, seven hundred seventy-two".
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