Base | Representation |
---|---|
bin | 1000111111110… |
… | …11111000111100 |
3 | 12021000210222010 |
4 | 10133323320330 |
5 | 123310340021 |
6 | 11253451220 |
7 | 1604401110 |
oct | 437737074 |
9 | 167023863 |
10 | 75480636 |
11 | 396747a0 |
12 | 21340b10 |
13 | 1283a2ca |
14 | a04b740 |
15 | 695e976 |
hex | 47fbe3c |
75480636 has 48 divisors (see below), whose sum is σ = 219582720. Its totient is φ = 19605120.
The previous prime is 75480623. The next prime is 75480677. The reversal of 75480636 is 63608457.
It is a junction number, because it is equal to n+sod(n) for n = 75480594 and 75480603.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39921 + ... + 41768.
It is an arithmetic number, because the mean of its divisors is an integer number (4574640).
Almost surely, 275480636 is an apocalyptic number.
It is an amenable number.
75480636 is an abundant number, since it is smaller than the sum of its proper divisors (144102084).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75480636 is a wasteful number, since it uses less digits than its factorization.
75480636 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 81714 (or 81712 counting only the distinct ones).
The product of its (nonzero) digits is 120960, while the sum is 39.
The square root of 75480636 is about 8687.9592540481. The cubic root of 75480636 is about 422.6152686668.
The spelling of 75480636 in words is "seventy-five million, four hundred eighty thousand, six hundred thirty-six".
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