Base | Representation |
---|---|
bin | 1100001110010… |
… | …1110010110011 |
3 | 10120110221011200 |
4 | 3003211302303 |
5 | 101111213013 |
6 | 5030542243 |
7 | 1161545424 |
oct | 303456263 |
9 | 116427150 |
10 | 51272883 |
11 | 26a40092 |
12 | 15207983 |
13 | a8128ac |
14 | 6b4964b |
15 | 477be73 |
hex | 30e5cb3 |
51272883 has 6 divisors (see below), whose sum is σ = 74060844. Its totient is φ = 34181916.
The previous prime is 51272873. The next prime is 51272917. The reversal of 51272883 is 38827215.
It is not a de Polignac number, because 51272883 - 210 = 51271859 is a prime.
It is a super-2 number, since 2×512728832 = 5257817062263378, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (51272803) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2848485 + ... + 2848502.
It is an arithmetic number, because the mean of its divisors is an integer number (12343474).
Almost surely, 251272883 is an apocalyptic number.
51272883 is a deficient number, since it is larger than the sum of its proper divisors (22787961).
51272883 is a wasteful number, since it uses less digits than its factorization.
51272883 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5696993 (or 5696990 counting only the distinct ones).
The product of its digits is 26880, while the sum is 36.
The square root of 51272883 is about 7160.5085713237. The cubic root of 51272883 is about 371.5032173798.
The spelling of 51272883 in words is "fifty-one million, two hundred seventy-two thousand, eight hundred eighty-three".
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