Base | Representation |
---|---|
bin | 1010011011100… |
… | …11011111001010 |
3 | 20002122201002002 |
4 | 11031303133022 |
5 | 134400123332 |
6 | 12403311002 |
7 | 2111531105 |
oct | 515633712 |
9 | 202581062 |
10 | 87504842 |
11 | 45437757 |
12 | 2537b462 |
13 | 1518a319 |
14 | b89b73c |
15 | 7a37562 |
hex | 53737ca |
87504842 has 16 divisors (see below), whose sum is σ = 138378240. Its totient is φ = 41385888.
The previous prime is 87504841. The next prime is 87504883. The reversal of 87504842 is 24840578.
It is a Harshad number since it is a multiple of its sum of digits (38).
It is a junction number, because it is equal to n+sod(n) for n = 87504796 and 87504805.
It is not an unprimeable number, because it can be changed into a prime (87504841) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31223 + ... + 33909.
It is an arithmetic number, because the mean of its divisors is an integer number (8648640).
Almost surely, 287504842 is an apocalyptic number.
87504842 is a deficient number, since it is larger than the sum of its proper divisors (50873398).
87504842 is a wasteful number, since it uses less digits than its factorization.
87504842 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3565.
The product of its (nonzero) digits is 71680, while the sum is 38.
The square root of 87504842 is about 9354.4022791411. The cubic root of 87504842 is about 443.9601897320.
The spelling of 87504842 in words is "eighty-seven million, five hundred four thousand, eight hundred forty-two".
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