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52750272 = 263416701
BaseRepresentation
bin1100100100111…
…0011111000000
310200020222202210
43021032133000
5102001002042
65122342120
71210240611
oct311163700
9120228683
1052750272
112785a073
12157ba940
13ac0c1a3
147011c08
15496ea9c
hex324e7c0

52750272 has 56 divisors (see below), whose sum is σ = 142993872. Its totient is φ = 17152000.

The previous prime is 52750261. The next prime is 52750279. The reversal of 52750272 is 27205725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52750279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4522 + ... + 11222.

It is an arithmetic number, because the mean of its divisors is an integer number (2553462).

Almost surely, 252750272 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 52750272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71496936).

52750272 is an abundant number, since it is smaller than the sum of its proper divisors (90243600).

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

52750272 is a wasteful number, since it uses less digits than its factorization.

52750272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6757 (or 6747 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 30.

The square root of 52750272 is about 7262.9382483951. The cubic root of 52750272 is about 375.0376779920.

Adding to 52750272 its reverse (27205725), we get a palindrome (79955997).

The spelling of 52750272 in words is "fifty-two million, seven hundred fifty thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 41 48 64 82 96 123 164 192 246 328 492 656 984 1312 1968 2624 3936 6701 7872 13402 20103 26804 40206 53608 80412 107216 160824 214432 274741 321648 428864 549482 643296 824223 1098964 1286592 1648446 2197928 3296892 4395856 6593784 8791712 13187568 17583424 26375136 52750272