Base | Representation |
---|---|
bin | 1001000001111… |
… | …10111000110001 |
3 | 12021112202101212 |
4 | 10200332320301 |
5 | 123343130212 |
6 | 11303405505 |
7 | 1606623140 |
oct | 440767061 |
9 | 167482355 |
10 | 75755057 |
11 | 39841994 |
12 | 21453895 |
13 | 129051a1 |
14 | a0bd757 |
15 | 69b5e22 |
hex | 483ee31 |
75755057 has 8 divisors (see below), whose sum is σ = 86950656. Its totient is φ = 64652832.
The previous prime is 75755011. The next prime is 75755059. The reversal of 75755057 is 75055757.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 75755057 - 210 = 75754033 is a prime.
It is a super-2 number, since 2×757550572 = 11477657322146498, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (75755059) 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, 21593 + ... + 24854.
It is an arithmetic number, because the mean of its divisors is an integer number (10868832).
Almost surely, 275755057 is an apocalyptic number.
It is an amenable number.
75755057 is a deficient number, since it is larger than the sum of its proper divisors (11195599).
75755057 is a wasteful number, since it uses less digits than its factorization.
75755057 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46687.
The product of its (nonzero) digits is 214375, while the sum is 41.
The square root of 75755057 is about 8703.7381049754. The cubic root of 75755057 is about 423.1268093148.
The spelling of 75755057 in words is "seventy-five million, seven hundred fifty-five thousand, fifty-seven".
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