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52793257 = 1123712939
BaseRepresentation
bin1100100101100…
…0111110101001
310200100011201211
43021120332221
5102003341012
65123313121
71210510126
oct311307651
9120304654
1052793257
11278893a0
121581b7a1
13ac2591a
14702374d
15497c6a7
hex3258fa9

52793257 has 16 divisors (see below), whose sum is σ = 60963840. Its totient is φ = 45245200.

The previous prime is 52793249. The next prime is 52793263. The reversal of 52793257 is 75239725.

It is not a de Polignac number, because 52793257 - 23 = 52793249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52793227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16494 + ... + 19432.

It is an arithmetic number, because the mean of its divisors is an integer number (3810240).

Almost surely, 252793257 is an apocalyptic number.

It is an amenable number.

52793257 is a deficient number, since it is larger than the sum of its proper divisors (8170583).

52793257 is a wasteful number, since it uses less digits than its factorization.

52793257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3044.

The product of its digits is 132300, while the sum is 40.

The square root of 52793257 is about 7265.8968476025. The cubic root of 52793257 is about 375.1395202327.

The spelling of 52793257 in words is "fifty-two million, seven hundred ninety-three thousand, two hundred fifty-seven".

Divisors: 1 11 23 71 253 781 1633 2939 17963 32329 67597 208669 743567 2295359 4799387 52793257