Base | Representation |
---|---|
bin | 1010011110011… |
… | …01111100111100 |
3 | 20010100112101000 |
4 | 11033031330330 |
5 | 134444003023 |
6 | 12415250300 |
7 | 2114633316 |
oct | 517157474 |
9 | 203315330 |
10 | 87875388 |
11 | 45670097 |
12 | 25519990 |
13 | 15289b93 |
14 | b9567b6 |
15 | 7aac243 |
hex | 53cdf3c |
87875388 has 48 divisors (see below), whose sum is σ = 228684960. Its totient is φ = 29181312.
The previous prime is 87875357. The next prime is 87875453. The reversal of 87875388 is 88357878.
It is a super-3 number, since 3×878753883 (a number of 25 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30256 + ... + 33032.
It is an arithmetic number, because the mean of its divisors is an integer number (4764270).
Almost surely, 287875388 is an apocalyptic number.
It is an amenable number.
87875388 is an abundant number, since it is smaller than the sum of its proper divisors (140809572).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87875388 is a wasteful number, since it uses less digits than its factorization.
87875388 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3083 (or 3075 counting only the distinct ones).
The product of its digits is 3010560, while the sum is 54.
The square root of 87875388 is about 9374.1873247765. The cubic root of 87875388 is about 444.5859684761.
The spelling of 87875388 in words is "eighty-seven million, eight hundred seventy-five thousand, three hundred eighty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.026 sec. • engine limits •