Base | Representation |
---|---|
bin | 1010011110010… |
… | …00100000111001 |
3 | 20010022101211000 |
4 | 11033020200321 |
5 | 134442244423 |
6 | 12414555213 |
7 | 2114511345 |
oct | 517104071 |
9 | 203271730 |
10 | 87853113 |
11 | 45655387 |
12 | 25508b09 |
13 | 1527c9ba |
14 | b94c625 |
15 | 7aa5843 |
hex | 53c8839 |
87853113 has 16 divisors (see below), whose sum is σ = 130541760. Its totient is φ = 58393728.
The previous prime is 87853111. The next prime is 87853121. The reversal of 87853113 is 31135878.
It is not a de Polignac number, because 87853113 - 21 = 87853111 is a prime.
It is not an unprimeable number, because it can be changed into a prime (87853111) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4681 + ... + 14057.
It is an arithmetic number, because the mean of its divisors is an integer number (8158860).
Almost surely, 287853113 is an apocalyptic number.
It is an amenable number.
87853113 is a deficient number, since it is larger than the sum of its proper divisors (42688647).
87853113 is a wasteful number, since it uses less digits than its factorization.
87853113 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9733 (or 9727 counting only the distinct ones).
The product of its digits is 20160, while the sum is 36.
The square root of 87853113 is about 9372.9991464845. Note that the first 3 decimals coincide. The cubic root of 87853113 is about 444.5484001666.
The spelling of 87853113 in words is "eighty-seven million, eight hundred fifty-three thousand, one hundred thirteen".
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