Base | Representation |
---|---|
bin | 1000111100100… |
… | …00011100001101 |
3 | 12020012110020201 |
4 | 10132100130031 |
5 | 123202244100 |
6 | 11240213501 |
7 | 1600556020 |
oct | 436203415 |
9 | 166173221 |
10 | 75040525 |
11 | 393a406a |
12 | 2116a291 |
13 | 12714ba1 |
14 | 9d751b7 |
15 | 68c436a |
hex | 479070d |
75040525 has 24 divisors (see below), whose sum is σ = 106868160. Its totient is φ = 51202560.
The previous prime is 75040501. The next prime is 75040531. The reversal of 75040525 is 52504057.
It is not a de Polignac number, because 75040525 - 29 = 75040013 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 75040493 and 75040502.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38781 + ... + 40669.
It is an arithmetic number, because the mean of its divisors is an integer number (4452840).
Almost surely, 275040525 is an apocalyptic number.
It is an amenable number.
75040525 is a deficient number, since it is larger than the sum of its proper divisors (31827635).
75040525 is a wasteful number, since it uses less digits than its factorization.
75040525 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2133 (or 2128 counting only the distinct ones).
The product of its (nonzero) digits is 7000, while the sum is 28.
The square root of 75040525 is about 8662.5934338395. The cubic root of 75040525 is about 421.7922747717.
It can be divided in two parts, 7504052 and 5, that added together give a palindrome (7504057).
The spelling of 75040525 in words is "seventy-five million, forty thousand, five hundred twenty-five".
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