Base | Representation |
---|---|
bin | 1000111111011… |
… | …11101101100000 |
3 | 12020221021112120 |
4 | 10133233231200 |
5 | 123302241002 |
6 | 11252424240 |
7 | 1604102505 |
oct | 437575540 |
9 | 166837476 |
10 | 75430752 |
11 | 39640271 |
12 | 21318080 |
13 | 128206a7 |
14 | a0374ac |
15 | 694ecbc |
hex | 47efb60 |
75430752 has 24 divisors (see below), whose sum is σ = 198005976. Its totient is φ = 25143552.
The previous prime is 75430699. The next prime is 75430757. The reversal of 75430752 is 25703457.
It is a tau number, because it is divible by the number of its divisors (24).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (75430757) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 392773 + ... + 392964.
It is an arithmetic number, because the mean of its divisors is an integer number (8250249).
Almost surely, 275430752 is an apocalyptic number.
It is an amenable number.
75430752 is an abundant number, since it is smaller than the sum of its proper divisors (122575224).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75430752 is a wasteful number, since it uses less digits than its factorization.
75430752 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 785750 (or 785742 counting only the distinct ones).
The product of its (nonzero) digits is 29400, while the sum is 33.
The square root of 75430752 is about 8685.0879097451. The cubic root of 75430752 is about 422.5221481568.
The spelling of 75430752 in words is "seventy-five million, four hundred thirty thousand, seven hundred fifty-two".
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