Base | Representation |
---|---|
bin | 1100001010001… |
… | …1001100100001 |
3 | 10112222001222111 |
4 | 3002203030201 |
5 | 101024000342 |
6 | 5021035321 |
7 | 1156331221 |
oct | 302431441 |
9 | 115861874 |
10 | 51000097 |
11 | 26874145 |
12 | 150b5b41 |
13 | a748695 |
14 | 6ab8081 |
15 | 4726217 |
hex | 30a3321 |
51000097 has 8 divisors (see below), whose sum is σ = 53012736. Its totient is φ = 49020912.
The previous prime is 51000083. The next prime is 51000113. The reversal of 51000097 is 79000015.
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 51000097 - 211 = 50998049 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (51000197) 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, 5233 + ... + 11374.
It is an arithmetic number, because the mean of its divisors is an integer number (6626592).
Almost surely, 251000097 is an apocalyptic number.
It is an amenable number.
51000097 is a deficient number, since it is larger than the sum of its proper divisors (2012639).
51000097 is a wasteful number, since it uses less digits than its factorization.
51000097 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16727.
The product of its (nonzero) digits is 315, while the sum is 22.
The square root of 51000097 is about 7141.4352198980. The cubic root of 51000097 is about 370.8432120361.
The spelling of 51000097 in words is "fifty-one million, ninety-seven", and thus it is an aban number and an uban number.
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