Base | Representation |
---|---|
bin | 1000111100010… |
… | …10001110001100 |
3 | 12020011011022021 |
4 | 10132022032030 |
5 | 123200440202 |
6 | 11235455524 |
7 | 1600421530 |
oct | 436121614 |
9 | 166134267 |
10 | 75015052 |
11 | 39386a12 |
12 | 211575a4 |
13 | 12706408 |
14 | 9d69bc0 |
15 | 68bba37 |
hex | 478a38c |
75015052 has 24 divisors (see below), whose sum is σ = 156554496. Its totient is φ = 30751248.
The previous prime is 75015041. The next prime is 75015053. The reversal of 75015052 is 25051057.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (75015053) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57598 + ... + 58885.
It is an arithmetic number, because the mean of its divisors is an integer number (6523104).
Almost surely, 275015052 is an apocalyptic number.
It is an amenable number.
75015052 is an abundant number, since it is smaller than the sum of its proper divisors (81539444).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75015052 is a wasteful number, since it uses less digits than its factorization.
75015052 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 116517 (or 116515 counting only the distinct ones).
The product of its (nonzero) digits is 1750, while the sum is 25.
The square root of 75015052 is about 8661.1230218719. The cubic root of 75015052 is about 421.7445426493.
The spelling of 75015052 in words is "seventy-five million, fifteen thousand, fifty-two".
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