Base | Representation |
---|---|
bin | 1000111110001… |
… | …10010011110000 |
3 | 12020121122220200 |
4 | 10133012103300 |
5 | 123231324133 |
6 | 11245035200 |
7 | 1602465213 |
oct | 437062360 |
9 | 166548820 |
10 | 75261168 |
11 | 39534914 |
12 | 21255b00 |
13 | 12791448 |
14 | 9dd177a |
15 | 6919913 |
hex | 47c64f0 |
75261168 has 60 divisors (see below), whose sum is σ = 211710408. Its totient is φ = 24958080.
The previous prime is 75261161. The next prime is 75261209. The reversal of 75261168 is 86116257.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (75261161) by changing a digit.
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 11 ways as a sum of consecutive naturals, for example, 29146 + ... + 31622.
Almost surely, 275261168 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 75261168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105855204).
75261168 is an abundant number, since it is smaller than the sum of its proper divisors (136449240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75261168 is a wasteful number, since it uses less digits than its factorization.
75261168 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2702 (or 2693 counting only the distinct ones).
The product of its digits is 20160, while the sum is 36.
The square root of 75261168 is about 8675.3194753853. The cubic root of 75261168 is about 422.2052713827.
The spelling of 75261168 in words is "seventy-five million, two hundred sixty-one thousand, one hundred sixty-eight".
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