Base | Representation |
---|---|
bin | 1010100000100… |
… | …10111100001000 |
3 | 20010212212222122 |
4 | 11100102330020 |
5 | 140032023320 |
6 | 12425310412 |
7 | 2120221202 |
oct | 520227410 |
9 | 203785878 |
10 | 88157960 |
11 | 45843420 |
12 | 25635408 |
13 | 15358697 |
14 | b9cb772 |
15 | 7b15d25 |
hex | 5412f08 |
88157960 has 64 divisors (see below), whose sum is σ = 217728000. Its totient is φ = 31859200.
The previous prime is 88157959. The next prime is 88157969. The reversal of 88157960 is 6975188.
It is a happy number.
It is a super-2 number, since 2×881579602 = 15543651822723200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (44).
It is not an unprimeable number, because it can be changed into a prime (88157969) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83516 + ... + 84564.
It is an arithmetic number, because the mean of its divisors is an integer number (3402000).
Almost surely, 288157960 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 88157960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108864000).
88157960 is an abundant number, since it is smaller than the sum of its proper divisors (129570040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
88157960 is a wasteful number, since it uses less digits than its factorization.
88157960 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1262 (or 1258 counting only the distinct ones).
The product of its (nonzero) digits is 120960, while the sum is 44.
The square root of 88157960 is about 9389.2470411636. The cubic root of 88157960 is about 445.0619953184.
The spelling of 88157960 in words is "eighty-eight million, one hundred fifty-seven thousand, nine hundred sixty".
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