Base | Representation |
---|---|
bin | 1000111100101… |
… | …00100101010001 |
3 | 12020020022112000 |
4 | 10132110211101 |
5 | 123203314424 |
6 | 11240424213 |
7 | 1600656333 |
oct | 436244521 |
9 | 166208460 |
10 | 75057489 |
11 | 39405891 |
12 | 21178069 |
13 | 1271c820 |
14 | 9d7b453 |
15 | 68c93c9 |
hex | 4794951 |
75057489 has 32 divisors (see below), whose sum is σ = 122559360. Its totient is φ = 45105984.
The previous prime is 75057469. The next prime is 75057503. The reversal of 75057489 is 98475057.
75057489 is a `hidden beast` number, since 75 + 0 + 574 + 8 + 9 = 666.
It is not a de Polignac number, because 75057489 - 25 = 75057457 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (75057469) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12607 + ... + 17579.
It is an arithmetic number, because the mean of its divisors is an integer number (3829980).
Almost surely, 275057489 is an apocalyptic number.
It is an amenable number.
75057489 is a deficient number, since it is larger than the sum of its proper divisors (47501871).
75057489 is a wasteful number, since it uses less digits than its factorization.
75057489 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5038 (or 5032 counting only the distinct ones).
The product of its (nonzero) digits is 352800, while the sum is 45.
The square root of 75057489 is about 8663.5725310059. The cubic root of 75057489 is about 421.8240564658.
The spelling of 75057489 in words is "seventy-five million, fifty-seven thousand, four hundred eighty-nine".
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