Base | Representation |
---|---|
bin | 1100001010010… |
… | …0110110101000 |
3 | 10112222102022000 |
4 | 3002210312220 |
5 | 101024210023 |
6 | 5021131000 |
7 | 1156360062 |
oct | 302446650 |
9 | 115872260 |
10 | 51006888 |
11 | 26879259 |
12 | 150b9a60 |
13 | a74b7ba |
14 | 6aba732 |
15 | 4728243 |
hex | 30a4da8 |
51006888 has 32 divisors (see below), whose sum is σ = 141686400. Its totient is φ = 17002224.
The previous prime is 51006869. The next prime is 51006889. The reversal of 51006888 is 88860015.
51006888 is a `hidden beast` number, since 510 + 0 + 68 + 88 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (51006889) by changing a digit.
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, 117856 + ... + 118287.
It is an arithmetic number, because the mean of its divisors is an integer number (4427700).
Almost surely, 251006888 is an apocalyptic number.
It is an amenable number.
51006888 is an abundant number, since it is smaller than the sum of its proper divisors (90679512).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51006888 is a wasteful number, since it uses less digits than its factorization.
51006888 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 236158 (or 236148 counting only the distinct ones).
The product of its (nonzero) digits is 15360, while the sum is 36.
The square root of 51006888 is about 7141.9106687216. The cubic root of 51006888 is about 370.8596713805.
The spelling of 51006888 in words is "fifty-one million, six thousand, eight hundred eighty-eight".
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