Base | Representation |
---|---|
bin | 1010011110110… |
… | …11100010101100 |
3 | 20010110100201122 |
4 | 11033123202230 |
5 | 140002243202 |
6 | 12420400112 |
7 | 2115254516 |
oct | 517334254 |
9 | 203410648 |
10 | 87931052 |
11 | 456a89a0 |
12 | 25546038 |
13 | 152a9311 |
14 | b96cbb6 |
15 | 7abd9a2 |
hex | 53db8ac |
87931052 has 24 divisors (see below), whose sum is σ = 168763392. Its totient is φ = 39755600.
The previous prime is 87931049. The next prime is 87931057. The reversal of 87931052 is 25013978.
It is not an unprimeable number, because it can be changed into a prime (87931057) 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, 3173 + ... + 13635.
It is an arithmetic number, because the mean of its divisors is an integer number (7031808).
Almost surely, 287931052 is an apocalyptic number.
It is an amenable number.
87931052 is a deficient number, since it is larger than the sum of its proper divisors (80832340).
87931052 is a wasteful number, since it uses less digits than its factorization.
87931052 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10669 (or 10667 counting only the distinct ones).
The product of its (nonzero) digits is 15120, while the sum is 35.
The square root of 87931052 is about 9377.1558587879. The cubic root of 87931052 is about 444.6798218686.
It can be divided in two parts, 87 and 931052, that added together give a palindrome (931139).
The spelling of 87931052 in words is "eighty-seven million, nine hundred thirty-one thousand, fifty-two".
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