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52256305 = 521294909
BaseRepresentation
bin1100011101010…
…1111000110001
310122022220011201
43013111320301
5101334200210
65104011201
71203112513
oct307257061
9118286151
1052256305
1127551a32
1215600b01
13aa983ba
146d23bb3
1548c353a
hex31d5e31

52256305 has 8 divisors (see below), whose sum is σ = 62749800. Its totient is φ = 41776896.

The previous prime is 52256291. The next prime is 52256341. The reversal of 52256305 is 50365225.

It can be written as a sum of positive squares in 4 ways, for example, as 13927824 + 38328481 = 3732^2 + 6191^2 .

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 52256305 - 25 = 52256273 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8191 + ... + 13099.

It is an arithmetic number, because the mean of its divisors is an integer number (7843725).

Almost surely, 252256305 is an apocalyptic number.

It is an amenable number.

52256305 is a deficient number, since it is larger than the sum of its proper divisors (10493495).

52256305 is a wasteful number, since it uses less digits than its factorization.

52256305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7043.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 52256305 is about 7228.8522602139. The cubic root of 52256305 is about 373.8633552881.

The spelling of 52256305 in words is "fifty-two million, two hundred fifty-six thousand, three hundred five".

Divisors: 1 5 2129 4909 10645 24545 10451261 52256305