Base | Representation |
---|---|
bin | 1010011000010… |
… | …10111000011100 |
3 | 20001211221100010 |
4 | 11030022320130 |
5 | 134242421010 |
6 | 12350203220 |
7 | 2105064666 |
oct | 514127034 |
9 | 201757303 |
10 | 87076380 |
11 | 45174856 |
12 | 251b3510 |
13 | 1506a2b1 |
14 | b7c9536 |
15 | 79a0620 |
hex | 530ae1c |
87076380 has 48 divisors (see below), whose sum is σ = 258158880. Its totient is φ = 21854208.
The previous prime is 87076369. The next prime is 87076421. The reversal of 87076380 is 8367078.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41665 + ... + 43704.
It is an arithmetic number, because the mean of its divisors is an integer number (5378310).
Almost surely, 287076380 is an apocalyptic number.
It is an amenable number.
87076380 is an abundant number, since it is smaller than the sum of its proper divisors (171082500).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87076380 is a wasteful number, since it uses less digits than its factorization.
87076380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 85398 (or 85396 counting only the distinct ones).
The product of its (nonzero) digits is 56448, while the sum is 39.
The square root of 87076380 is about 9331.4725526039. The cubic root of 87076380 is about 443.2343960476.
The spelling of 87076380 in words is "eighty-seven million, seventy-six thousand, three hundred eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •