Base | Representation |
---|---|
bin | 1000111111000… |
… | …11011001000011 |
3 | 12020211201022122 |
4 | 10133203121003 |
5 | 123244132131 |
6 | 11251354455 |
7 | 1603502420 |
oct | 437433103 |
9 | 166751278 |
10 | 75380291 |
11 | 39606368 |
12 | 212b2a2b |
13 | 1280372c |
14 | a022d47 |
15 | 693ed7b |
hex | 47e3643 |
75380291 has 8 divisors (see below), whose sum is σ = 86208000. Its totient is φ = 64567368.
The previous prime is 75380281. The next prime is 75380303. The reversal of 75380291 is 19208357.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-75380291 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (75380231) 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, 11300 + ... + 16686.
It is an arithmetic number, because the mean of its divisors is an integer number (10776000).
Almost surely, 275380291 is an apocalyptic number.
75380291 is a deficient number, since it is larger than the sum of its proper divisors (10827709).
75380291 is a wasteful number, since it uses less digits than its factorization.
75380291 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7393.
The product of its (nonzero) digits is 15120, while the sum is 35.
The square root of 75380291 is about 8682.1823869348. The cubic root of 75380291 is about 422.4279087576.
The spelling of 75380291 in words is "seventy-five million, three hundred eighty thousand, two hundred ninety-one".
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