Base | Representation |
---|---|
bin | 1010011010000… |
… | …00000101001011 |
3 | 20002021000020121 |
4 | 11031000011023 |
5 | 134321404113 |
6 | 12355004111 |
7 | 2106663166 |
oct | 515000513 |
9 | 202230217 |
10 | 87294283 |
11 | 4530353a |
12 | 25299637 |
13 | 1511552b |
14 | b844add |
15 | 79e4e8d |
hex | 534014b |
87294283 has 4 divisors (see below), whose sum is σ = 87346728. Its totient is φ = 87241840.
The previous prime is 87294281. The next prime is 87294353. The reversal of 87294283 is 38249278.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 87294283 - 21 = 87294281 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (87294281) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23641 + ... + 27082.
It is an arithmetic number, because the mean of its divisors is an integer number (21836682).
Almost surely, 287294283 is an apocalyptic number.
87294283 is a deficient number, since it is larger than the sum of its proper divisors (52445).
87294283 is a wasteful number, since it uses less digits than its factorization.
87294283 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52444.
The product of its digits is 193536, while the sum is 43.
The square root of 87294283 is about 9343.1409600840. The cubic root of 87294283 is about 443.6038098616.
The spelling of 87294283 in words is "eighty-seven million, two hundred ninety-four thousand, two hundred eighty-three".
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