Base | Representation |
---|---|
bin | 1100011010001… |
… | …0110110111000 |
3 | 10121221021110100 |
4 | 3012202312320 |
5 | 101311003123 |
6 | 5055315400 |
7 | 1201252236 |
oct | 306426670 |
9 | 117837410 |
10 | 52047288 |
11 | 27419997 |
12 | 1551bb60 |
13 | aa24217 |
14 | 6cab956 |
15 | 4881643 |
hex | 31a2db8 |
52047288 has 48 divisors (see below), whose sum is σ = 141293880. Its totient is φ = 17308224.
The previous prime is 52047287. The next prime is 52047311. The reversal of 52047288 is 88274025.
It is a happy number.
52047288 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52047287) by changing a digit.
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 11 ways as a sum of consecutive naturals, for example, 56931 + ... + 57837.
Almost surely, 252047288 is an apocalyptic number.
It is an amenable number.
52047288 is an abundant number, since it is smaller than the sum of its proper divisors (89246592).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
52047288 is a wasteful number, since it uses less digits than its factorization.
52047288 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1716 (or 1709 counting only the distinct ones).
The product of its (nonzero) digits is 35840, while the sum is 36.
The square root of 52047288 is about 7214.3806386966. The cubic root of 52047288 is about 373.3642243430.
The spelling of 52047288 in words is "fifty-two million, forty-seven thousand, two hundred eighty-eight".
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