Base | Representation |
---|---|
bin | 1100001010101… |
… | …1001100001010 |
3 | 10120000201220021 |
4 | 3002223030022 |
5 | 101031022332 |
6 | 5021451054 |
7 | 1156525540 |
oct | 302531412 |
9 | 116021807 |
10 | 51032842 |
11 | 26896803 |
12 | 15110a8a |
13 | a75a563 |
14 | 6ac5d90 |
15 | 4730c97 |
hex | 30ab30a |
51032842 has 16 divisors (see below), whose sum is σ = 89850240. Its totient is φ = 21279888.
The previous prime is 51032809. The next prime is 51032887. The reversal of 51032842 is 24823015.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48742 + ... + 49777.
It is an arithmetic number, because the mean of its divisors is an integer number (5615640).
Almost surely, 251032842 is an apocalyptic number.
51032842 is a deficient number, since it is larger than the sum of its proper divisors (38817398).
51032842 is a wasteful number, since it uses less digits than its factorization.
51032842 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 98565.
The product of its (nonzero) digits is 1920, while the sum is 25.
The square root of 51032842 is about 7143.7274584071. The cubic root of 51032842 is about 370.9225626238.
Adding to 51032842 its reverse (24823015), we get a palindrome (75855857).
The spelling of 51032842 in words is "fifty-one million, thirty-two thousand, eight hundred forty-two".
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