Base | Representation |
---|---|
bin | 1010011001000… |
… | …01000010000000 |
3 | 20002000112210021 |
4 | 11030201002000 |
5 | 134303321404 |
6 | 12352143224 |
7 | 2105623333 |
oct | 514410200 |
9 | 202015707 |
10 | 87167104 |
11 | 45226a32 |
12 | 25237b14 |
13 | 1509c68b |
14 | b81061a |
15 | 79bc454 |
hex | 5321080 |
87167104 has 16 divisors (see below), whose sum is σ = 173653470. Its totient is φ = 43583488.
The previous prime is 87167089. The next prime is 87167123. The reversal of 87167104 is 40176178.
It can be written as a sum of positive squares in only one way, i.e., 86862400 + 304704 = 9320^2 + 552^2 .
It is a tau number, because it is divible by the number of its divisors (16).
It is a self number, because there is not a number n which added to its sum of digits gives 87167104.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340369 + ... + 340624.
Almost surely, 287167104 is an apocalyptic number.
It is an amenable number.
87167104 is a deficient number, since it is larger than the sum of its proper divisors (86486366).
87167104 is an equidigital number, since it uses as much as digits as its factorization.
87167104 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 681007 (or 680995 counting only the distinct ones).
The product of its (nonzero) digits is 9408, while the sum is 34.
The square root of 87167104 is about 9336.3324705154. The cubic root of 87167104 is about 443.3882764299.
The spelling of 87167104 in words is "eighty-seven million, one hundred sixty-seven thousand, one hundred four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •