Base | Representation |
---|---|
bin | 1010011111001… |
… | …10001011111100 |
3 | 20010112120112110 |
4 | 11033212023330 |
5 | 140010142102 |
6 | 12421334020 |
7 | 2115525603 |
oct | 517461374 |
9 | 203476473 |
10 | 87974652 |
11 | 45728727 |
12 | 25567310 |
13 | 152c310c |
14 | b980a3a |
15 | 7acb86c |
hex | 53e62fc |
87974652 has 48 divisors (see below), whose sum is σ = 213276672. Its totient is φ = 28194240.
The previous prime is 87974639. The next prime is 87974699. The reversal of 87974652 is 25647978.
It is a super-2 number, since 2×879746522 = 15479078789042208, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63673 + ... + 65039.
It is an arithmetic number, because the mean of its divisors is an integer number (4443264).
Almost surely, 287974652 is an apocalyptic number.
It is an amenable number.
87974652 is an abundant number, since it is smaller than the sum of its proper divisors (125302020).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87974652 is a wasteful number, since it uses less digits than its factorization.
87974652 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1578 (or 1576 counting only the distinct ones).
The product of its digits is 846720, while the sum is 48.
The square root of 87974652 is about 9379.4803694021. The cubic root of 87974652 is about 444.7533068556.
The spelling of 87974652 in words is "eighty-seven million, nine hundred seventy-four thousand, six hundred fifty-two".
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