Base | Representation |
---|---|
bin | 1010011001111… |
… | …11111010011101 |
3 | 20002020222022012 |
4 | 11030333322131 |
5 | 134321343342 |
6 | 12355001005 |
7 | 2106661166 |
oct | 514777235 |
9 | 202228265 |
10 | 87293597 |
11 | 45302a76 |
12 | 25299165 |
13 | 15115121 |
14 | b84476d |
15 | 79e4b82 |
hex | 533fe9d |
87293597 has 8 divisors (see below), whose sum is σ = 89130456. Its totient is φ = 85463872.
The previous prime is 87293537. The next prime is 87293599. The reversal of 87293597 is 79539278.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 784996 + 86508601 = 886^2 + 9301^2 .
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 87293597 - 210 = 87292573 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87293599) 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, 28043 + ... + 30999.
It is an arithmetic number, because the mean of its divisors is an integer number (11141307).
Almost surely, 287293597 is an apocalyptic number.
It is an amenable number.
87293597 is a deficient number, since it is larger than the sum of its proper divisors (1836859).
87293597 is a wasteful number, since it uses less digits than its factorization.
87293597 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3567.
The product of its digits is 952560, while the sum is 50.
The square root of 87293597 is about 9343.1042485889. The cubic root of 87293597 is about 443.6026478420.
The spelling of 87293597 in words is "eighty-seven million, two hundred ninety-three thousand, five hundred ninety-seven".
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