Base | Representation |
---|---|
bin | 1010011000000… |
… | …11111011000010 |
3 | 20001210111020100 |
4 | 11030003323002 |
5 | 134241012444 |
6 | 12345423230 |
7 | 2104615614 |
oct | 514037302 |
9 | 201714210 |
10 | 87047874 |
11 | 451553a1 |
12 | 2519ab16 |
13 | 1505a324 |
14 | b7bcdb4 |
15 | 7996e69 |
hex | 5303ec2 |
87047874 has 48 divisors (see below), whose sum is σ = 193808160. Its totient is φ = 28226880.
The previous prime is 87047869. The next prime is 87047903. The reversal of 87047874 is 47874078.
It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 106929 + ... + 107739.
It is an arithmetic number, because the mean of its divisors is an integer number (4037670).
Almost surely, 287047874 is an apocalyptic number.
87047874 is an abundant number, since it is smaller than the sum of its proper divisors (106760286).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87047874 is a wasteful number, since it uses less digits than its factorization.
87047874 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 975 (or 972 counting only the distinct ones).
The product of its (nonzero) digits is 351232, while the sum is 45.
The square root of 87047874 is about 9329.9450159152. The cubic root of 87047874 is about 443.1860238841.
The spelling of 87047874 in words is "eighty-seven million, forty-seven thousand, eight hundred seventy-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.082 sec. • engine limits •