Base | Representation |
---|---|
bin | 1000111110011… |
… | …01000111010100 |
3 | 12020200002011010 |
4 | 10133031013110 |
5 | 123233222134 |
6 | 11245412220 |
7 | 1602642405 |
oct | 437150724 |
9 | 166602133 |
10 | 75289044 |
11 | 39553856 |
12 | 2126a070 |
13 | 127a103c |
14 | 9ddb9ac |
15 | 6922ce9 |
hex | 47cd1d4 |
75289044 has 48 divisors (see below), whose sum is σ = 183218112. Its totient is φ = 24041472.
The previous prime is 75289021. The next prime is 75289069. The reversal of 75289044 is 44098257.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 75288993 and 75289011.
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, 25972 + ... + 28724.
It is an arithmetic number, because the mean of its divisors is an integer number (3817044).
Almost surely, 275289044 is an apocalyptic number.
It is an amenable number.
75289044 is an abundant number, since it is smaller than the sum of its proper divisors (107929068).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75289044 is a wasteful number, since it uses less digits than its factorization.
75289044 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2856 (or 2854 counting only the distinct ones).
The product of its (nonzero) digits is 80640, while the sum is 39.
The square root of 75289044 is about 8676.9259533547. The cubic root of 75289044 is about 422.2573918483.
The spelling of 75289044 in words is "seventy-five million, two hundred eighty-nine thousand, forty-four".
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