Base | Representation |
---|---|
bin | 1010011110101… |
… | …01101011010011 |
3 | 20010102010202211 |
4 | 11033111223103 |
5 | 140001011102 |
6 | 12420052551 |
7 | 2115124465 |
oct | 517255323 |
9 | 203363684 |
10 | 87907027 |
11 | 4569193a |
12 | 25534157 |
13 | 1529b3c0 |
14 | b964135 |
15 | 7ab67d7 |
hex | 53d5ad3 |
87907027 has 8 divisors (see below), whose sum is σ = 95555376. Its totient is φ = 80385312.
The previous prime is 87906997. The next prime is 87907037. The reversal of 87907027 is 72070978.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 87907027 - 27 = 87906899 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (87907037) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30208 + ... + 32989.
It is an arithmetic number, because the mean of its divisors is an integer number (11944422).
Almost surely, 287907027 is an apocalyptic number.
87907027 is a deficient number, since it is larger than the sum of its proper divisors (7648349).
87907027 is a wasteful number, since it uses less digits than its factorization.
87907027 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 63317.
The product of its (nonzero) digits is 49392, while the sum is 40.
The square root of 87907027 is about 9375.8747325250. The cubic root of 87907027 is about 444.6393189002.
The spelling of 87907027 in words is "eighty-seven million, nine hundred seven thousand, twenty-seven".
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