Base | Representation |
---|---|
bin | 1100011011101… |
… | …1110010000010 |
3 | 10122010110111110 |
4 | 3012323302002 |
5 | 101322240003 |
6 | 5101424150 |
7 | 1202156001 |
oct | 306736202 |
9 | 118113443 |
10 | 52149378 |
11 | 27489666 |
12 | 1556b056 |
13 | aa5b828 |
14 | 6cd6c38 |
15 | 48a1a03 |
hex | 31bbc82 |
52149378 has 16 divisors (see below), whose sum is σ = 107663616. Its totient is φ = 16822320.
The previous prime is 52149359. The next prime is 52149389. The reversal of 52149378 is 87394125.
52149378 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140001 + ... + 140372.
It is an arithmetic number, because the mean of its divisors is an integer number (6728976).
Almost surely, 252149378 is an apocalyptic number.
52149378 is an abundant number, since it is smaller than the sum of its proper divisors (55514238).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
52149378 is a wasteful number, since it uses less digits than its factorization.
52149378 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 280409.
The product of its digits is 60480, while the sum is 39.
The square root of 52149378 is about 7221.4526239532. The cubic root of 52149378 is about 373.6081810756.
The spelling of 52149378 in words is "fifty-two million, one hundred forty-nine thousand, three hundred seventy-eight".
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