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52884720 = 24325721499
BaseRepresentation
bin1100100110111…
…1010011110000
310200111211012100
43021233103300
5102014302340
65125300400
71211340600
oct311572360
9120454170
1052884720
1127941089
1215864700
13ac58445
147048c00
154999830
hex326f4f0

52884720 has 180 divisors, whose sum is σ = 206739000. Its totient is φ = 12079872.

The previous prime is 52884707. The next prime is 52884731. The reversal of 52884720 is 2748825.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (180).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 34531 + ... + 36029.

It is an arithmetic number, because the mean of its divisors is an integer number (1148550).

Almost surely, 252884720 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 52884720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103369500).

52884720 is an abundant number, since it is smaller than the sum of its proper divisors (153854280).

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

52884720 is a wasteful number, since it uses less digits than its factorization.

52884720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1532 (or 1516 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 52884720 is about 7272.1881163787. The cubic root of 52884720 is about 375.3560351969.

The spelling of 52884720 in words is "fifty-two million, eight hundred eighty-four thousand, seven hundred twenty".