Base | Representation |
---|---|
bin | 1000111101111… |
… | …00111011101000 |
3 | 12020112201020011 |
4 | 10132330323220 |
5 | 123224112020 |
6 | 11244141304 |
7 | 1602245224 |
oct | 436747350 |
9 | 166481204 |
10 | 75222760 |
11 | 39508a78 |
12 | 21237834 |
13 | 12779b12 |
14 | 9dc1784 |
15 | 690d35a |
hex | 47bcee8 |
75222760 has 32 divisors (see below), whose sum is σ = 172031400. Its totient is φ = 29594880.
The previous prime is 75222757. The next prime is 75222779. The reversal of 75222760 is 6722257.
It can be written as a sum of positive squares in 4 ways, for example, as 55026724 + 20196036 = 7418^2 + 4494^2 .
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, 12975 + ... + 17854.
Almost surely, 275222760 is an apocalyptic number.
It is an amenable number.
75222760 is an abundant number, since it is smaller than the sum of its proper divisors (96808640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75222760 is a wasteful number, since it uses less digits than its factorization.
75222760 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30901 (or 30897 counting only the distinct ones).
The product of its (nonzero) digits is 11760, while the sum is 31.
The square root of 75222760 is about 8673.1055568349. The cubic root of 75222760 is about 422.1334378826.
The spelling of 75222760 in words is "seventy-five million, two hundred twenty-two thousand, seven hundred sixty".
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