Base | Representation |
---|---|
bin | 1010011011000… |
… | …01010100110100 |
3 | 20002111221000220 |
4 | 11031201110310 |
5 | 134340233302 |
6 | 12401534340 |
7 | 2111101164 |
oct | 515412464 |
9 | 202457026 |
10 | 87430452 |
11 | 4539687a |
12 | 253443b0 |
13 | 151624c5 |
14 | b87c5a4 |
15 | 7a204bc |
hex | 5361534 |
87430452 has 24 divisors (see below), whose sum is σ = 212874816. Its totient is φ = 27876288.
The previous prime is 87430411. The next prime is 87430463. The reversal of 87430452 is 25403478.
It is a congruent number.
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, 158113 + ... + 158664.
It is an arithmetic number, because the mean of its divisors is an integer number (8869784).
Almost surely, 287430452 is an apocalyptic number.
It is an amenable number.
87430452 is an abundant number, since it is smaller than the sum of its proper divisors (125444364).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87430452 is a wasteful number, since it uses less digits than its factorization.
87430452 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 316807 (or 316805 counting only the distinct ones).
The product of its (nonzero) digits is 26880, while the sum is 33.
The square root of 87430452 is about 9350.4252309721. The cubic root of 87430452 is about 443.8343469368.
The spelling of 87430452 in words is "eighty-seven million, four hundred thirty thousand, four hundred fifty-two".
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