Base | Representation |
---|---|
bin | 1000111110010… |
… | …01101101000001 |
3 | 12020122100222200 |
4 | 10133021231001 |
5 | 123232300243 |
6 | 11245223413 |
7 | 1602553566 |
oct | 437115501 |
9 | 166570880 |
10 | 75275073 |
11 | 39544305 |
12 | 21261b69 |
13 | 12797883 |
14 | 9dd686d |
15 | 691dad3 |
hex | 47c9b41 |
75275073 has 12 divisors (see below), whose sum is σ = 109729620. Its totient is φ = 49722336.
The previous prime is 75275051. The next prime is 75275087. The reversal of 75275073 is 37057257.
It can be written as a sum of positive squares in 2 ways, for example, as 68757264 + 6517809 = 8292^2 + 2553^2 .
It is not a de Polignac number, because 75275073 - 25 = 75275041 is a prime.
It is not an unprimeable number, because it can be changed into a prime (75275173) 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, 37386 + ... + 39347.
It is an arithmetic number, because the mean of its divisors is an integer number (9144135).
Almost surely, 275275073 is an apocalyptic number.
It is an amenable number.
75275073 is a deficient number, since it is larger than the sum of its proper divisors (34454547).
75275073 is a wasteful number, since it uses less digits than its factorization.
75275073 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 76848 (or 76845 counting only the distinct ones).
The product of its (nonzero) digits is 51450, while the sum is 36.
The square root of 75275073 is about 8676.1208497807. The cubic root of 75275073 is about 422.2312715230.
The spelling of 75275073 in words is "seventy-five million, two hundred seventy-five thousand, seventy-three".
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