Base | Representation |
---|---|
bin | 1100001010011… |
… | …0101010010000 |
3 | 10112222210110002 |
4 | 3002212222100 |
5 | 101024424123 |
6 | 5021225132 |
7 | 1156420463 |
oct | 302465220 |
9 | 115883402 |
10 | 51014288 |
11 | 26883876 |
12 | 151021a8 |
13 | a751c90 |
14 | 6abd2da |
15 | 472a528 |
hex | 30a6a90 |
51014288 has 20 divisors (see below), whose sum is σ = 106443708. Its totient is φ = 23544960.
The previous prime is 51014287. The next prime is 51014303. The reversal of 51014288 is 88241015.
It can be written as a sum of positive squares in 2 ways, for example, as 31899904 + 19114384 = 5648^2 + 4372^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 51014288.
It is not an unprimeable number, because it can be changed into a prime (51014287) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122423 + ... + 122838.
Almost surely, 251014288 is an apocalyptic number.
It is an amenable number.
51014288 is an abundant number, since it is smaller than the sum of its proper divisors (55429420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51014288 is a wasteful number, since it uses less digits than its factorization.
51014288 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 245282 (or 245276 counting only the distinct ones).
The product of its (nonzero) digits is 2560, while the sum is 29.
The square root of 51014288 is about 7142.4287185803. The cubic root of 51014288 is about 370.8776050947.
The spelling of 51014288 in words is "fifty-one million, fourteen thousand, two hundred eighty-eight".
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