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52250688 = 2632712959
BaseRepresentation
bin1100011101010…
…0100001000000
310122022121110200
43013110201000
5101334010223
65103525200
71203060240
oct307244100
9118277420
1052250688
1127548796
12155b9800
13aa95989
146d21b20
1548c1a43
hex31d4840

52250688 has 84 divisors (see below), whose sum is σ = 171175680. Its totient is φ = 14927616.

The previous prime is 52250683. The next prime is 52250711. The reversal of 52250688 is 88605225.

52250688 is a `hidden beast` number, since 522 + 50 + 6 + 88 = 666.

It is a tau number, because it is divible by the number of its divisors (84).

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

It is not an unprimeable number, because it can be changed into a prime (52250683) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2448 + ... + 10511.

Almost surely, 252250688 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 52250688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85587840).

52250688 is an abundant number, since it is smaller than the sum of its proper divisors (118924992).

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

52250688 is a wasteful number, since it uses less digits than its factorization.

52250688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12984 (or 12971 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 52250688 is about 7228.4637371989. The cubic root of 52250688 is about 373.8499593561.

The spelling of 52250688 in words is "fifty-two million, two hundred fifty thousand, six hundred eighty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 63 64 72 84 96 112 126 144 168 192 224 252 288 336 448 504 576 672 1008 1344 2016 4032 12959 25918 38877 51836 77754 90713 103672 116631 155508 181426 207344 233262 272139 311016 362852 414688 466524 544278 622032 725704 816417 829376 933048 1088556 1244064 1451408 1632834 1866096 2177112 2488128 2902816 3265668 3732192 4354224 5805632 6531336 7464384 8708448 13062672 17416896 26125344 52250688