Base | Representation |
---|---|
bin | 1000111100110… |
… | …01001111010000 |
3 | 12020021021200100 |
4 | 10132121033100 |
5 | 123204422220 |
6 | 11241052400 |
7 | 1601066046 |
oct | 436311720 |
9 | 166237610 |
10 | 75076560 |
11 | 39419149 |
12 | 21187100 |
13 | 12728400 |
14 | 9d84396 |
15 | 68ced90 |
hex | 47993d0 |
75076560 has 180 divisors, whose sum is σ = 273461292. Its totient is φ = 18450432.
The previous prime is 75076559. The next prime is 75076579. The reversal of 75076560 is 6567057.
It can be written as a sum of positive squares in 6 ways, for example, as 36288576 + 38787984 = 6024^2 + 6228^2 .
It is a tau number, because it is divible by the number of its divisors (180).
It is a super-2 number, since 2×750765602 = 11272979722867200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
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 35 ways as a sum of consecutive naturals, for example, 121372 + ... + 121988.
Almost surely, 275076560 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 75076560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136730646).
75076560 is an abundant number, since it is smaller than the sum of its proper divisors (198384732).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75076560 is a wasteful number, since it uses less digits than its factorization.
75076560 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 662 (or 640 counting only the distinct ones).
The product of its (nonzero) digits is 44100, while the sum is 36.
The square root of 75076560 is about 8664.6731040473. The cubic root of 75076560 is about 421.8597798624.
The spelling of 75076560 in words is "seventy-five million, seventy-six thousand, five hundred sixty".
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