Base | Representation |
---|---|
bin | 1010011011011… |
… | …00001010100100 |
3 | 20002121011221100 |
4 | 11031230022210 |
5 | 134343143402 |
6 | 12402520100 |
7 | 2111344503 |
oct | 515541244 |
9 | 202534840 |
10 | 87474852 |
11 | 45417173 |
12 | 25366030 |
13 | 1517978a |
14 | b89083a |
15 | 7a2d71c |
hex | 536c2a4 |
87474852 has 36 divisors (see below), whose sum is σ = 221981760. Its totient is φ = 29044272.
The previous prime is 87474823. The next prime is 87474859. The reversal of 87474852 is 25847478.
It is a tau number, because it is divible by the number of its divisors (36).
It is a junction number, because it is equal to n+sod(n) for n = 87474798 and 87474807.
It is not an unprimeable number, because it can be changed into a prime (87474859) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4849 + ... + 14087.
It is an arithmetic number, because the mean of its divisors is an integer number (6166160).
Almost surely, 287474852 is an apocalyptic number.
It is an amenable number.
87474852 is an abundant number, since it is smaller than the sum of its proper divisors (134506908).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87474852 is a wasteful number, since it uses less digits than its factorization.
87474852 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9512 (or 9507 counting only the distinct ones).
The product of its digits is 501760, while the sum is 45.
The square root of 87474852 is about 9352.7991531947. The cubic root of 87474852 is about 443.9094653487.
The spelling of 87474852 in words is "eighty-seven million, four hundred seventy-four thousand, eight hundred fifty-two".
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