Base | Representation |
---|---|
bin | 1000111100100… |
… | …01100100000111 |
3 | 12020012200120011 |
4 | 10132101210013 |
5 | 123202421002 |
6 | 11240251051 |
7 | 1600605313 |
oct | 436214407 |
9 | 166180504 |
10 | 75045127 |
11 | 393a7573 |
12 | 21170a87 |
13 | 12717001 |
14 | 9d76b43 |
15 | 68c58d7 |
hex | 4791907 |
75045127 has 8 divisors (see below), whose sum is σ = 78195600. Its totient is φ = 71932224.
The previous prime is 75045119. The next prime is 75045137. The reversal of 75045127 is 72154057.
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 75045127 - 23 = 75045119 is a prime.
It is a super-2 number, since 2×750451272 = 11263542172892258, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (75045107) 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, 5278 + ... + 13339.
It is an arithmetic number, because the mean of its divisors is an integer number (9774450).
Almost surely, 275045127 is an apocalyptic number.
75045127 is a deficient number, since it is larger than the sum of its proper divisors (3150473).
75045127 is a wasteful number, since it uses less digits than its factorization.
75045127 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18785.
The product of its (nonzero) digits is 9800, while the sum is 31.
The square root of 75045127 is about 8662.8590546078. The cubic root of 75045127 is about 421.8008969945.
The spelling of 75045127 in words is "seventy-five million, forty-five thousand, one hundred twenty-seven".
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