Base | Representation |
---|---|
bin | 1001000010101… |
… | …11110010011100 |
3 | 12021201221022110 |
4 | 10201113302130 |
5 | 123404411202 |
6 | 11305514020 |
7 | 1610526405 |
oct | 441276234 |
9 | 167657273 |
10 | 75857052 |
11 | 39901587 |
12 | 214a2910 |
13 | 1293c73b |
14 | a1089ac |
15 | 69d626c |
hex | 4857c9c |
75857052 has 24 divisors (see below), whose sum is σ = 181318032. Its totient is φ = 24668800.
The previous prime is 75857027. The next prime is 75857053. The reversal of 75857052 is 25075857.
It is a self number, because there is not a number n which added to its sum of digits gives 75857052.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (75857053) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76599 + ... + 77582.
It is an arithmetic number, because the mean of its divisors is an integer number (7554918).
Almost surely, 275857052 is an apocalyptic number.
It is an amenable number.
75857052 is an abundant number, since it is smaller than the sum of its proper divisors (105460980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75857052 is a wasteful number, since it uses less digits than its factorization.
75857052 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 154229 (or 154227 counting only the distinct ones).
The product of its (nonzero) digits is 98000, while the sum is 39.
The square root of 75857052 is about 8709.5953981801. The cubic root of 75857052 is about 423.3166204712.
The spelling of 75857052 in words is "seventy-five million, eight hundred fifty-seven thousand, fifty-two".
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