Base | Representation |
---|---|
bin | 1100010001101… |
… | …1110110001011 |
3 | 10120220011212200 |
4 | 3010123312023 |
5 | 101140304113 |
6 | 5035411243 |
7 | 1163460051 |
oct | 304336613 |
9 | 116804780 |
10 | 51494283 |
11 | 27081465 |
12 | 152b3b23 |
13 | a88c5b9 |
14 | 6ba61d1 |
15 | 47c2873 |
hex | 311bd8b |
51494283 has 12 divisors (see below), whose sum is σ = 74828208. Its totient is φ = 34122960.
The previous prime is 51494239. The next prime is 51494291. The reversal of 51494283 is 38249415.
It is not a de Polignac number, because 51494283 - 210 = 51493259 is a prime.
It is a super-2 number, since 2×514942832 = 5303322363368178, which contains 22 as substring.
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (51494983) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15628 + ... + 18633.
It is an arithmetic number, because the mean of its divisors is an integer number (6235684).
Almost surely, 251494283 is an apocalyptic number.
51494283 is a deficient number, since it is larger than the sum of its proper divisors (23333925).
51494283 is a wasteful number, since it uses less digits than its factorization.
51494283 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34434 (or 34431 counting only the distinct ones).
The product of its digits is 34560, while the sum is 36.
The square root of 51494283 is about 7175.9517138844. The cubic root of 51494283 is about 372.0371754384.
The spelling of 51494283 in words is "fifty-one million, four hundred ninety-four thousand, two hundred eighty-three".
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