| Base | Representation |
|---|---|
| bin | 1100100011001… |
| … | …1010111010100 |
| 3 | 10200001100101120 |
| 4 | 3020303113110 |
| 5 | 101433423223 |
| 6 | 5120123540 |
| 7 | 1206266010 |
| oct | 310632724 |
| 9 | 120040346 |
| 10 | 52639188 |
| 11 | 27793668 |
| 12 | 157665b0 |
| 13 | aba0764 |
| 14 | 6dc3540 |
| 15 | 494bbe3 |
| hex | 32335d4 |
52639188 has 48 divisors (see below), whose sum is σ = 141128064. Its totient is φ = 14958720.
The previous prime is 52639159. The next prime is 52639189. The reversal of 52639188 is 88193625.
52639188 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×526391882 = 5541768226598688, which contains 22 as substring.
It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52639189) 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 15 ways as a sum of consecutive naturals, for example, 14958 + ... + 18138.
It is an arithmetic number, because the mean of its divisors is an integer number (2940168).
Almost surely, 252639188 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 52639188, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70564032).
52639188 is an abundant number, since it is smaller than the sum of its proper divisors (88488876).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
52639188 is a wasteful number, since it uses less digits than its factorization.
52639188 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3392 (or 3390 counting only the distinct ones).
The product of its digits is 103680, while the sum is 42.
The square root of 52639188 is about 7255.2868999096. The cubic root of 52639188 is about 374.7742356641.
The spelling of 52639188 in words is "fifty-two million, six hundred thirty-nine thousand, one hundred eighty-eight".
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