Base | Representation |
---|---|
bin | 1000111111110… |
… | …01001000001000 |
3 | 12021000020110000 |
4 | 10133321020020 |
5 | 123310004240 |
6 | 11253323000 |
7 | 1604323113 |
oct | 437711010 |
9 | 167006400 |
10 | 75469320 |
11 | 39667243 |
12 | 21336460 |
13 | 12835104 |
14 | a04757a |
15 | 695b430 |
hex | 47f9208 |
75469320 has 80 divisors (see below), whose sum is σ = 253671660. Its totient is φ = 20124288.
The previous prime is 75469313. The next prime is 75469337. The reversal of 75469320 is 2396457.
75469320 is a `hidden beast` number, since 7 + 546 + 93 + 20 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 65318724 + 10150596 = 8082^2 + 3186^2 .
It is a super-3 number, since 3×754693203 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8407 + ... + 14886.
Almost surely, 275469320 is an apocalyptic number.
It is an amenable number.
75469320 is an abundant number, since it is smaller than the sum of its proper divisors (178202340).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75469320 is a wasteful number, since it uses less digits than its factorization.
75469320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23316 (or 23303 counting only the distinct ones).
The product of its (nonzero) digits is 45360, while the sum is 36.
The square root of 75469320 is about 8687.3079834895. The cubic root of 75469320 is about 422.5941482239.
The spelling of 75469320 in words is "seventy-five million, four hundred sixty-nine thousand, three hundred twenty".
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