Base | Representation |
---|---|
bin | 1000111100100… |
… | …11101101110111 |
3 | 12020020010122200 |
4 | 10132103231313 |
5 | 123203211233 |
6 | 11240355543 |
7 | 1600643106 |
oct | 436235567 |
9 | 166203580 |
10 | 75053943 |
11 | 39403158 |
12 | 21175bb3 |
13 | 1271b023 |
14 | 9d7a03d |
15 | 68c8313 |
hex | 4793b77 |
75053943 has 24 divisors (see below), whose sum is σ = 113022000. Its totient is φ = 47935104.
The previous prime is 75053939. The next prime is 75053947. The reversal of 75053943 is 34935057.
It is an interprime number because it is at equal distance from previous prime (75053939) and next prime (75053947).
It is not a de Polignac number, because 75053943 - 22 = 75053939 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 75053898 and 75053907.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (75053947) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34708 + ... + 36806.
It is an arithmetic number, because the mean of its divisors is an integer number (4709250).
Almost surely, 275053943 is an apocalyptic number.
75053943 is a deficient number, since it is larger than the sum of its proper divisors (37968057).
75053943 is a wasteful number, since it uses less digits than its factorization.
75053943 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2271 (or 2268 counting only the distinct ones).
The product of its (nonzero) digits is 56700, while the sum is 36.
The square root of 75053943 is about 8663.3678786024. The cubic root of 75053943 is about 421.8174135060.
The spelling of 75053943 in words is "seventy-five million, fifty-three thousand, nine hundred forty-three".
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