Base | Representation |
---|---|
bin | 1010011100000… |
… | …11111110011110 |
3 | 20002210010201120 |
4 | 11032003332132 |
5 | 134404304012 |
6 | 12404551410 |
7 | 2112232032 |
oct | 516037636 |
9 | 202703646 |
10 | 87572382 |
11 | 45483477 |
12 | 253b2566 |
13 | 151b1ca1 |
14 | b8b81c2 |
15 | 7a4c58c |
hex | 5383f9e |
87572382 has 8 divisors (see below), whose sum is σ = 175144776. Its totient is φ = 29190792.
The previous prime is 87572371. The next prime is 87572383. The reversal of 87572382 is 28327578.
It is a sphenic number, since it is the product of 3 distinct primes.
87572382 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87572383) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7297693 + ... + 7297704.
It is an arithmetic number, because the mean of its divisors is an integer number (21893097).
Almost surely, 287572382 is an apocalyptic number.
87572382 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87572382 is a wasteful number, since it uses less digits than its factorization.
87572382 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14595402.
The product of its digits is 188160, while the sum is 42.
The square root of 87572382 is about 9358.0116477807. The cubic root of 87572382 is about 444.0743828793.
The spelling of 87572382 in words is "eighty-seven million, five hundred seventy-two thousand, three hundred eighty-two".
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