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52140760 = 2357316007
BaseRepresentation
bin1100011011100…
…1101011011000
310122010000200021
43012321223120
5101322001020
65101320224
71202121610
oct306715330
9118100607
1052140760
1127483141
1215566074
13aa57929
146cd3a40
15489e1aa
hex31b9ad8

52140760 has 64 divisors (see below), whose sum is σ = 138424320. Its totient is φ = 17297280.

The previous prime is 52140757. The next prime is 52140821. The reversal of 52140760 is 6704125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5677 + ... + 11683.

It is an arithmetic number, because the mean of its divisors is an integer number (2162880).

Almost surely, 252140760 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 52140760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69212160).

52140760 is an abundant number, since it is smaller than the sum of its proper divisors (86283560).

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

52140760 is a wasteful number, since it uses less digits than its factorization.

52140760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6056 (or 6052 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 52140760 is about 7220.8559049464. The cubic root of 52140760 is about 373.5875996049.

Adding to 52140760 its reverse (6704125), we get a palindrome (58844885).

It can be divided in two parts, 52140 and 760, that added together give a square (52900 = 2302).

The spelling of 52140760 in words is "fifty-two million, one hundred forty thousand, seven hundred sixty".

Divisors: 1 2 4 5 7 8 10 14 20 28 31 35 40 56 62 70 124 140 155 217 248 280 310 434 620 868 1085 1240 1736 2170 4340 6007 8680 12014 24028 30035 42049 48056 60070 84098 120140 168196 186217 210245 240280 336392 372434 420490 744868 840980 931085 1303519 1489736 1681960 1862170 2607038 3724340 5214076 6517595 7448680 10428152 13035190 26070380 52140760