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52110720 = 2732583109
BaseRepresentation
bin1100011011001…
…0010110000000
310122001111110200
43012302112000
5101320020340
65100525200
71201635204
oct306622600
9118044420
1052110720
1127462612
1215550800
13aa4705c
146cc6b04
154895330
hex31b2580

52110720 has 192 divisors, whose sum is σ = 183783600. Its totient is φ = 13602816.

The previous prime is 52110719. The next prime is 52110731. The reversal of 52110720 is 2701125.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 52110693 and 52110702.

It is a congruent number.

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, 478026 + ... + 478134.

Almost surely, 252110720 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 52110720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91891800).

52110720 is an abundant number, since it is smaller than the sum of its proper divisors (131672880).

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

52110720 is a wasteful number, since it uses less digits than its factorization.

52110720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217 (or 202 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 52110720 is about 7218.7755194354. The cubic root of 52110720 is about 373.5158404705.

Adding to 52110720 its reverse (2701125), we get a palindrome (54811845).

The spelling of 52110720 in words is "fifty-two million, one hundred ten thousand, seven hundred twenty".