Search a number
-
+
52137360 = 243251129227
BaseRepresentation
bin1100011011100…
…0110110010000
310122002212000100
43012320312100
5101321343420
65101252400
71202105652
oct306706620
9118085010
1052137360
1127480630
1215564100
13aa56212
146cd26d2
15489d190
hex31b8d90

52137360 has 240 divisors, whose sum is σ = 198469440. Its totient is φ = 12149760.

The previous prime is 52137341. The next prime is 52137361. The reversal of 52137360 is 6373125.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52137361) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 229567 + ... + 229793.

It is an arithmetic number, because the mean of its divisors is an integer number (826956).

Almost surely, 252137360 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 52137360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99234720).

52137360 is an abundant number, since it is smaller than the sum of its proper divisors (146332080).

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

52137360 is a wasteful number, since it uses less digits than its factorization.

52137360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286 (or 277 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 52137360 is about 7220.6204719539. The cubic root of 52137360 is about 373.5794791156.

The spelling of 52137360 in words is "fifty-two million, one hundred thirty-seven thousand, three hundred sixty".