Base | Representation |
---|---|
bin | 1100001011100… |
… | …1110111110011 |
3 | 10120010210101120 |
4 | 3002321313303 |
5 | 101034433404 |
6 | 5023033323 |
7 | 1160166060 |
oct | 302716763 |
9 | 116123346 |
10 | 51092979 |
11 | 26927a03 |
12 | 1513b843 |
13 | a77ba42 |
14 | 6addc67 |
15 | 47439d9 |
hex | 30b9df3 |
51092979 has 8 divisors (see below), whose sum is σ = 77856000. Its totient is φ = 29195976.
The previous prime is 51092953. The next prime is 51092999. The reversal of 51092979 is 97929015.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 51092979 - 25 = 51092947 is a prime.
It is a super-2 number, since 2×510929792 = 5220985006188882, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 51092979.
It is not an unprimeable number, because it can be changed into a prime (51092999) 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, 1216479 + ... + 1216520.
It is an arithmetic number, because the mean of its divisors is an integer number (9732000).
Almost surely, 251092979 is an apocalyptic number.
51092979 is a deficient number, since it is larger than the sum of its proper divisors (26763021).
51092979 is a wasteful number, since it uses less digits than its factorization.
51092979 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2433009.
The product of its (nonzero) digits is 51030, while the sum is 42.
The square root of 51092979 is about 7147.9352962936. The cubic root of 51092979 is about 371.0682035690.
The spelling of 51092979 in words is "fifty-one million, ninety-two thousand, nine hundred seventy-nine".
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