Base | Representation |
---|---|
bin | 1010011101110… |
… | …10111100000000 |
3 | 20010012120112102 |
4 | 11032322330000 |
5 | 134434010004 |
6 | 12413445532 |
7 | 2114160254 |
oct | 516727400 |
9 | 203176472 |
10 | 87797504 |
11 | 45617623 |
12 | 254a08a8 |
13 | 152605b2 |
14 | b936264 |
15 | 7a9411e |
hex | 53baf00 |
87797504 has 36 divisors (see below), whose sum is σ = 179005344. Its totient is φ = 42958848.
The previous prime is 87797473. The next prime is 87797527. The reversal of 87797504 is 40579778.
It is a Harshad number since it is a multiple of its sum of digits (47).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8384 + ... + 15680.
Almost surely, 287797504 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 87797504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89502672).
87797504 is an abundant number, since it is smaller than the sum of its proper divisors (91207840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87797504 is an equidigital number, since it uses as much as digits as its factorization.
87797504 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7360 (or 7346 counting only the distinct ones).
The product of its (nonzero) digits is 493920, while the sum is 47.
The square root of 87797504 is about 9370.0322304675. The cubic root of 87797504 is about 444.4545840650.
The spelling of 87797504 in words is "eighty-seven million, seven hundred ninety-seven thousand, five hundred four".
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