Search a number
-
+
52179120 = 24335721729
BaseRepresentation
bin1100011100001…
…1000010110000
310122011222022000
43013003002300
5101324212440
65102214000
71202341500
oct307030260
9118158260
1052179120
11274a9a44
1215584300
13aa6c226
146d03a00
1548aa730
hex31c30b0

52179120 has 480 divisors, whose sum is σ = 229003200. Its totient is φ = 10838016.

The previous prime is 52179109. The next prime is 52179121. The reversal of 52179120 is 2197125.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52179121) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1799266 + ... + 1799294.

It is an arithmetic number, because the mean of its divisors is an integer number (477090).

Almost surely, 252179120 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 52179120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114501600).

52179120 is an abundant number, since it is smaller than the sum of its proper divisors (176824080).

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

52179120 is a wasteful number, since it uses less digits than its factorization.

52179120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82 (or 63 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 52179120 is about 7223.5116113979. The cubic root of 52179120 is about 373.6791933814.

The spelling of 52179120 in words is "fifty-two million, one hundred seventy-nine thousand, one hundred twenty".