Base | Representation |
---|---|
bin | 1010011101011… |
… | …01101010010101 |
3 | 20010002210221101 |
4 | 11032231222111 |
5 | 134430240000 |
6 | 12412350101 |
7 | 2113542601 |
oct | 516555225 |
9 | 203083841 |
10 | 87743125 |
11 | 4558a788 |
12 | 25475331 |
13 | 15241912 |
14 | b920501 |
15 | 7a82e6a |
hex | 53ada95 |
87743125 has 40 divisors (see below), whose sum is σ = 116962560. Its totient is φ = 65688000.
The previous prime is 87743107. The next prime is 87743129. The reversal of 87743125 is 52134778.
It is not a de Polignac number, because 87743125 - 27 = 87742997 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87743129) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 851824 + ... + 851926.
It is an arithmetic number, because the mean of its divisors is an integer number (2924064).
Almost surely, 287743125 is an apocalyptic number.
It is an amenable number.
87743125 is a deficient number, since it is larger than the sum of its proper divisors (29219435).
87743125 is a wasteful number, since it uses less digits than its factorization.
87743125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 199 (or 184 counting only the distinct ones).
The product of its digits is 47040, while the sum is 37.
The square root of 87743125 is about 9367.1300300572. The cubic root of 87743125 is about 444.3628047384.
The spelling of 87743125 in words is "eighty-seven million, seven hundred forty-three thousand, one hundred twenty-five".
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