| Base | Representation |
|---|---|
| bin | 1100011100010… |
| … | …0110100111100 |
| 3 | 10122012100022200 |
| 4 | 3013010310330 |
| 5 | 101324431203 |
| 6 | 5102311500 |
| 7 | 1202402010 |
| oct | 307046474 |
| 9 | 118170280 |
| 10 | 52186428 |
| 11 | 27504488 |
| 12 | 15588590 |
| 13 | aa72658 |
| 14 | 6d06540 |
| 15 | 48ac9a3 |
| hex | 31c4d3c |
52186428 has 144 divisors (see below), whose sum is σ = 161004480. Its totient is φ = 13934592.
The previous prime is 52186427. The next prime is 52186429. The reversal of 52186428 is 82468125.
52186428 is a `hidden beast` number, since 5 + 2 + 1 + 8 + 642 + 8 = 666.
52186428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (52186427) and next prime (52186429).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 52186392 and 52186401.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52186427) 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 47 ways as a sum of consecutive naturals, for example, 270300 + ... + 270492.
Almost surely, 252186428 is an apocalyptic number.
52186428 is a gapful number since it is divisible by the number (58) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 52186428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80502240).
52186428 is an abundant number, since it is smaller than the sum of its proper divisors (108818052).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
52186428 is a wasteful number, since it uses less digits than its factorization.
52186428 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 276 (or 271 counting only the distinct ones).
The product of its digits is 30720, while the sum is 36.
The square root of 52186428 is about 7224.0174418394. The cubic root of 52186428 is about 373.6966379076.
The spelling of 52186428 in words is "fifty-two million, one hundred eighty-six thousand, four hundred twenty-eight".
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