Base | Representation |
---|---|
bin | 1010011110001… |
… | …00111010100111 |
3 | 20010021122121011 |
4 | 11033010322213 |
5 | 134441312000 |
6 | 12414403051 |
7 | 2114420362 |
oct | 517047247 |
9 | 203248534 |
10 | 87838375 |
11 | 456452a9 |
12 | 25500487 |
13 | 15276091 |
14 | b9470d9 |
15 | 7aa12ba |
hex | 53c4ea7 |
87838375 has 8 divisors (see below), whose sum is σ = 109622448. Its totient is φ = 70270600.
The previous prime is 87838367. The next prime is 87838391. The reversal of 87838375 is 57383878.
It is not a de Polignac number, because 87838375 - 23 = 87838367 is a prime.
It is a Duffinian number.
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, 351229 + ... + 351478.
It is an arithmetic number, because the mean of its divisors is an integer number (13702806).
Almost surely, 287838375 is an apocalyptic number.
87838375 is a deficient number, since it is larger than the sum of its proper divisors (21784073).
87838375 is an equidigital number, since it uses as much as digits as its factorization.
87838375 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 702722 (or 702712 counting only the distinct ones).
The product of its digits is 1128960, while the sum is 49.
The square root of 87838375 is about 9372.2129190496. The cubic root of 87838375 is about 444.5235400317.
The spelling of 87838375 in words is "eighty-seven million, eight hundred thirty-eight thousand, three hundred seventy-five".
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