Base | Representation |
---|---|
bin | 1010100000010… |
… | …01111011110000 |
3 | 20010211000101102 |
4 | 11100021323300 |
5 | 140024333242 |
6 | 12424423532 |
7 | 2120005514 |
oct | 520117360 |
9 | 203730342 |
10 | 88121072 |
11 | 45818736 |
12 | 25617ba8 |
13 | 15344960 |
14 | b9bc144 |
15 | 7b09e32 |
hex | 5409ef0 |
88121072 has 40 divisors (see below), whose sum is σ = 184467360. Its totient is φ = 40538880.
The previous prime is 88121063. The next prime is 88121083. The reversal of 88121072 is 27012188.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95429 + ... + 96347.
It is an arithmetic number, because the mean of its divisors is an integer number (4611684).
Almost surely, 288121072 is an apocalyptic number.
It is an amenable number.
88121072 is an abundant number, since it is smaller than the sum of its proper divisors (96346288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
88121072 is a wasteful number, since it uses less digits than its factorization.
88121072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1401 (or 1395 counting only the distinct ones).
The product of its (nonzero) digits is 1792, while the sum is 29.
The square root of 88121072 is about 9387.2824608616. The cubic root of 88121072 is about 444.9999107857. Note that the first 4 decimals are identical.
The spelling of 88121072 in words is "eighty-eight million, one hundred twenty-one thousand, seventy-two".
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