Base | Representation |
---|---|
bin | 1100001010101… |
… | …0001111010000 |
3 | 10120000112112220 |
4 | 3002222033100 |
5 | 101030411234 |
6 | 5021421040 |
7 | 1156511301 |
oct | 302521720 |
9 | 116015486 |
10 | 51028944 |
11 | 2689388a |
12 | 1510a780 |
13 | a758855 |
14 | 6ac47a8 |
15 | 472ea49 |
hex | 30aa3d0 |
51028944 has 40 divisors (see below), whose sum is σ = 133503360. Its totient is φ = 16793088.
The previous prime is 51028933. The next prime is 51028961. The reversal of 51028944 is 44982015.
It is a congruent number.
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, 2937 + ... + 10520.
It is an arithmetic number, because the mean of its divisors is an integer number (3337584).
Almost surely, 251028944 is an apocalyptic number.
It is an amenable number.
51028944 is an abundant number, since it is smaller than the sum of its proper divisors (82474416).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51028944 is a wasteful number, since it uses less digits than its factorization.
51028944 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13547 (or 13541 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 33.
The square root of 51028944 is about 7143.4546264395. The cubic root of 51028944 is about 370.9131184247.
The spelling of 51028944 in words is "fifty-one million, twenty-eight thousand, nine hundred forty-four".
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