Base | Representation |
---|---|
bin | 1010011111011… |
… | …01101010100000 |
3 | 20010121010112211 |
4 | 11033231222200 |
5 | 140012132110 |
6 | 12422131504 |
7 | 2116014106 |
oct | 517555240 |
9 | 203533484 |
10 | 88005280 |
11 | 45749740 |
12 | 25580b94 |
13 | 1530403c |
14 | b98bc76 |
15 | 7ad598a |
hex | 53edaa0 |
88005280 has 96 divisors (see below), whose sum is σ = 234275328. Its totient is φ = 30950400.
The previous prime is 88005263. The next prime is 88005299. The reversal of 88005280 is 8250088.
It is a Harshad number since it is a multiple of its sum of digits (31).
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, 53754 + ... + 55366.
It is an arithmetic number, because the mean of its divisors is an integer number (2440368).
Almost surely, 288005280 is an apocalyptic number.
88005280 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 88005280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117137664).
88005280 is an abundant number, since it is smaller than the sum of its proper divisors (146270048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
88005280 is a wasteful number, since it uses less digits than its factorization.
88005280 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1670 (or 1662 counting only the distinct ones).
The product of its (nonzero) digits is 5120, while the sum is 31.
The square root of 88005280 is about 9381.1129403712. The cubic root of 88005280 is about 444.8049138563.
The spelling of 88005280 in words is "eighty-eight million, five thousand, two hundred eighty".
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