Base | Representation |
---|---|
bin | 1000111110101… |
… | …01110001110000 |
3 | 12020201212211100 |
4 | 10133111301300 |
5 | 123240341103 |
6 | 11250244400 |
7 | 1603151016 |
oct | 437256160 |
9 | 166655740 |
10 | 75324528 |
11 | 39578484 |
12 | 21286700 |
13 | 127b4236 |
14 | a00a8b6 |
15 | 692d5a3 |
hex | 47d5c70 |
75324528 has 60 divisors (see below), whose sum is σ = 211388008. Its totient is φ = 25038720.
The previous prime is 75324523. The next prime is 75324583. The reversal of 75324528 is 82542357.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 75324492 and 75324501.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (75324521) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99126 + ... + 99882.
Almost surely, 275324528 is an apocalyptic number.
It is an amenable number.
75324528 is an abundant number, since it is smaller than the sum of its proper divisors (136063480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75324528 is a wasteful number, since it uses less digits than its factorization.
75324528 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1462 (or 1453 counting only the distinct ones).
The product of its digits is 67200, while the sum is 36.
The square root of 75324528 is about 8678.9704458536. The cubic root of 75324528 is about 422.3237185771.
It can be divided in two parts, 753 and 24528, that added together give a square (25281 = 1592).
The spelling of 75324528 in words is "seventy-five million, three hundred twenty-four thousand, five hundred twenty-eight".
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