Base | Representation |
---|---|
bin | 1100001010101… |
… | …1001111111111 |
3 | 10120000202020100 |
4 | 3002223033333 |
5 | 101031024322 |
6 | 5021452143 |
7 | 1156526340 |
oct | 302531777 |
9 | 116022210 |
10 | 51033087 |
11 | 26896a06 |
12 | 15111053 |
13 | a75a6c1 |
14 | 6ac60c7 |
15 | 4730dac |
hex | 30ab3ff |
51033087 has 12 divisors (see below), whose sum is σ = 84245200. Its totient is φ = 29161728.
The previous prime is 51033061. The next prime is 51033091. The reversal of 51033087 is 78033015.
It is not a de Polignac number, because 51033087 - 210 = 51032063 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 51033087.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51033187) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 404962 + ... + 405087.
Almost surely, 251033087 is an apocalyptic number.
51033087 is a deficient number, since it is larger than the sum of its proper divisors (33212113).
51033087 is a wasteful number, since it uses less digits than its factorization.
51033087 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 810062 (or 810059 counting only the distinct ones).
The product of its (nonzero) digits is 2520, while the sum is 27.
The square root of 51033087 is about 7143.7446062972. The cubic root of 51033087 is about 370.9231562016.
It can be divided in two parts, 5103 and 3087, that multiplied together give a 4-th power (15752961 = 634).
The spelling of 51033087 in words is "fifty-one million, thirty-three thousand, eighty-seven".
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