Base | Representation |
---|---|
bin | 1000111100101… |
… | …01110011110001 |
3 | 12020020120102002 |
4 | 10132111303301 |
5 | 123204000023 |
6 | 11240503345 |
7 | 1601010101 |
oct | 436256361 |
9 | 166216362 |
10 | 75062513 |
11 | 39409639 |
12 | 2117ab55 |
13 | 12721bb6 |
14 | 9d7d201 |
15 | 68cab28 |
hex | 4795cf1 |
75062513 has 8 divisors (see below), whose sum is σ = 78156456. Its totient is φ = 72028800.
The previous prime is 75062509. The next prime is 75062551. The reversal of 75062513 is 31526057.
It can be written as a sum of positive squares in 4 ways, for example, as 22543504 + 52519009 = 4748^2 + 7247^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 75062513 - 22 = 75062509 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (75067513) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12506 + ... + 17507.
It is an arithmetic number, because the mean of its divisors is an integer number (9769557).
Almost surely, 275062513 is an apocalyptic number.
It is an amenable number.
75062513 is a deficient number, since it is larger than the sum of its proper divisors (3093943).
75062513 is a wasteful number, since it uses less digits than its factorization.
75062513 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30115.
The product of its (nonzero) digits is 6300, while the sum is 29.
The square root of 75062513 is about 8663.8624758245. The cubic root of 75062513 is about 421.8334679041.
The spelling of 75062513 in words is "seventy-five million, sixty-two thousand, five hundred thirteen".
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