Base | Representation |
---|---|
bin | 1001000001111… |
… | …00101000100001 |
3 | 12021112021201221 |
4 | 10200330220201 |
5 | 123342331300 |
6 | 11303255041 |
7 | 1606554211 |
oct | 440745041 |
9 | 167467657 |
10 | 75745825 |
11 | 39835a61 |
12 | 2144a481 |
13 | 12900c1c |
14 | a0ba241 |
15 | 69b331a |
hex | 483ca21 |
75745825 has 24 divisors (see below), whose sum is σ = 97850880. Its totient is φ = 58094400.
The previous prime is 75745823. The next prime is 75745847. The reversal of 75745825 is 52854757.
It is not a de Polignac number, because 75745825 - 21 = 75745823 is a prime.
It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (75745823) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138202 + ... + 138748.
It is an arithmetic number, because the mean of its divisors is an integer number (4077120).
Almost surely, 275745825 is an apocalyptic number.
It is an amenable number.
75745825 is a deficient number, since it is larger than the sum of its proper divisors (22105055).
75745825 is a wasteful number, since it uses less digits than its factorization.
75745825 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 777 (or 772 counting only the distinct ones).
The product of its digits is 392000, while the sum is 43.
The square root of 75745825 is about 8703.2077419765. The cubic root of 75745825 is about 423.1096202956.
The spelling of 75745825 in words is "seventy-five million, seven hundred forty-five thousand, eight hundred twenty-five".
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