Base | Representation |
---|---|
bin | 1000111111011… |
… | …11101100011000 |
3 | 12020221021102220 |
4 | 10133233230120 |
5 | 123302240210 |
6 | 11252424040 |
7 | 1604102343 |
oct | 437575430 |
9 | 166837386 |
10 | 75430680 |
11 | 39640206 |
12 | 21318020 |
13 | 12820650 |
14 | a03745a |
15 | 694ec70 |
hex | 47efb18 |
75430680 has 64 divisors (see below), whose sum is σ = 243704160. Its totient is φ = 18567168.
The previous prime is 75430673. The next prime is 75430687. The reversal of 75430680 is 8603457.
It is an interprime number because it is at equal distance from previous prime (75430673) and next prime (75430687).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (75430687) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22617 + ... + 25736.
Almost surely, 275430680 is an apocalyptic number.
It is an amenable number.
75430680 is an abundant number, since it is smaller than the sum of its proper divisors (168273480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75430680 is a wasteful number, since it uses less digits than its factorization.
75430680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48380 (or 48376 counting only the distinct ones).
The product of its (nonzero) digits is 20160, while the sum is 33.
The square root of 75430680 is about 8685.0837647083. The cubic root of 75430680 is about 422.5220137217.
The spelling of 75430680 in words is "seventy-five million, four hundred thirty thousand, six hundred eighty".
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