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52307244 = 223211235743
BaseRepresentation
bin1100011110001…
…0010100101100
310122102111001100
43013202110230
5101342312434
65105043100
71203414153
oct307422454
9118374040
1052307244
1127587230
1215626490
13aab5642
146d3859a
1548d3699
hex31e252c

52307244 has 72 divisors (see below), whose sum is σ = 150538752. Its totient is φ = 15158880.

The previous prime is 52307231. The next prime is 52307251. The reversal of 52307244 is 44270325.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6237 + ... + 11979.

It is an arithmetic number, because the mean of its divisors is an integer number (2090816).

Almost surely, 252307244 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 52307244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75269376).

52307244 is an abundant number, since it is smaller than the sum of its proper divisors (98231508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52307244 is a wasteful number, since it uses less digits than its factorization.

52307244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5787 (or 5782 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 52307244 is about 7232.3747137438. The cubic root of 52307244 is about 373.9847954393.

Adding to 52307244 its reverse (44270325), we get a palindrome (96577569).

The spelling of 52307244 in words is "fifty-two million, three hundred seven thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 9 11 12 18 22 23 33 36 44 46 66 69 92 99 132 138 198 207 253 276 396 414 506 759 828 1012 1518 2277 3036 4554 5743 9108 11486 17229 22972 34458 51687 63173 68916 103374 126346 132089 189519 206748 252692 264178 379038 396267 528356 568557 758076 792534 1137114 1188801 1452979 1585068 2274228 2377602 2905958 4358937 4755204 5811916 8717874 13076811 17435748 26153622 52307244