Base | Representation |
---|---|
bin | 1000111100011… |
… | …01011000010100 |
3 | 12020011211001101 |
4 | 10132031120110 |
5 | 123201343423 |
6 | 11240035444 |
7 | 1600504330 |
oct | 436153024 |
9 | 166154041 |
10 | 75027988 |
11 | 39395702 |
12 | 21162b84 |
13 | 1270c279 |
14 | 9d707c0 |
15 | 68c07ad |
hex | 478d614 |
75027988 has 24 divisors (see below), whose sum is σ = 155232000. Its totient is φ = 31045728.
The previous prime is 75027973. The next prime is 75027989. The reversal of 75027988 is 88972057.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (75027989) 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, 45388 + ... + 47011.
It is an arithmetic number, because the mean of its divisors is an integer number (6468000).
Almost surely, 275027988 is an apocalyptic number.
It is an amenable number.
75027988 is an abundant number, since it is smaller than the sum of its proper divisors (80204012).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75027988 is a wasteful number, since it uses less digits than its factorization.
75027988 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 92439 (or 92437 counting only the distinct ones).
The product of its (nonzero) digits is 282240, while the sum is 46.
The square root of 75027988 is about 8661.8697750543. The cubic root of 75027988 is about 421.7687838901.
The spelling of 75027988 in words is "seventy-five million, twenty-seven thousand, nine hundred eighty-eight".
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