Base | Representation |
---|---|
bin | 1010011110101… |
… | …11000110010100 |
3 | 20010102102202120 |
4 | 11033113012110 |
5 | 140001202402 |
6 | 12420135540 |
7 | 2115150456 |
oct | 517270624 |
9 | 203372676 |
10 | 87912852 |
11 | 45696255 |
12 | 255375b0 |
13 | 152a0c51 |
14 | b9662d6 |
15 | 7ab83bc |
hex | 53d7194 |
87912852 has 12 divisors (see below), whose sum is σ = 205130016. Its totient is φ = 29304280.
The previous prime is 87912841. The next prime is 87912857. The reversal of 87912852 is 25821978.
It is a tau number, because it is divible by the number of its divisors (12).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87912857) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3663024 + ... + 3663047.
It is an arithmetic number, because the mean of its divisors is an integer number (17094168).
Almost surely, 287912852 is an apocalyptic number.
It is an amenable number.
87912852 is an abundant number, since it is smaller than the sum of its proper divisors (117217164).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87912852 is a wasteful number, since it uses less digits than its factorization.
87912852 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7326078 (or 7326076 counting only the distinct ones).
The product of its digits is 80640, while the sum is 42.
The square root of 87912852 is about 9376.1853650618. The cubic root of 87912852 is about 444.6491397564.
It can be divided in two parts, 879 and 12852, that added together give a palindrome (13731).
The spelling of 87912852 in words is "eighty-seven million, nine hundred twelve thousand, eight hundred fifty-two".
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