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52805393 = 4710511069
BaseRepresentation
bin1100100101101…
…1111100010001
310200100210101022
43021123330101
5102004233033
65123445225
71210560404
oct311337421
9120323338
1052805393
1127897523
1215826815
13ac2b2c4
147027d3b
154981098
hex325bf11

52805393 has 8 divisors (see below), whose sum is σ = 54030720. Its totient is φ = 51584400.

The previous prime is 52805381. The next prime is 52805399. The reversal of 52805393 is 39350825.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52805393 - 210 = 52804369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52805399) 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, 48863 + ... + 49931.

It is an arithmetic number, because the mean of its divisors is an integer number (6753840).

Almost surely, 252805393 is an apocalyptic number.

It is an amenable number.

52805393 is a deficient number, since it is larger than the sum of its proper divisors (1225327).

52805393 is a wasteful number, since it uses less digits than its factorization.

52805393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2167.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 52805393 is about 7266.7319339577. The cubic root of 52805393 is about 375.1682634514.

The spelling of 52805393 in words is "fifty-two million, eight hundred five thousand, three hundred ninety-three".

Divisors: 1 47 1051 1069 49397 50243 1123519 52805393