Base | Representation |
---|---|
bin | 1010011000010… |
… | …10010010110110 |
3 | 20001211211001000 |
4 | 11030022102312 |
5 | 134242331344 |
6 | 12350144130 |
7 | 2105054661 |
oct | 514122266 |
9 | 201754030 |
10 | 87073974 |
11 | 45172a69 |
12 | 251b2046 |
13 | 15069180 |
14 | b7c86d8 |
15 | 799ea69 |
hex | 530a4b6 |
87073974 has 64 divisors (see below), whose sum is σ = 211438080. Its totient is φ = 26399520.
The previous prime is 87073963. The next prime is 87073991. The reversal of 87073974 is 47937078.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48969 + ... + 50715.
It is an arithmetic number, because the mean of its divisors is an integer number (3303720).
Almost surely, 287073974 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 87073974, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105719040).
87073974 is an abundant number, since it is smaller than the sum of its proper divisors (124364106).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87073974 is a wasteful number, since it uses less digits than its factorization.
87073974 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1842 (or 1836 counting only the distinct ones).
The product of its (nonzero) digits is 296352, while the sum is 45.
The square root of 87073974 is about 9331.3436331538. The cubic root of 87073974 is about 443.2303136862.
The spelling of 87073974 in words is "eighty-seven million, seventy-three thousand, nine hundred seventy-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •