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52288771 = 295317707
BaseRepresentation
bin1100011101110…
…1110100000011
310122101112201011
43013131310003
5101341220041
65104421351
71203306253
oct307356403
9118345634
1052288771
1127574367
1215617857
13aaaa102
146d31963
1548cce81
hex31ddd03

52288771 has 4 divisors (see below), whose sum is σ = 52309432. Its totient is φ = 52268112.

The previous prime is 52288763. The next prime is 52288777. The reversal of 52288771 is 17788225.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52288771 - 23 = 52288763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52288777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5901 + ... + 11806.

It is an arithmetic number, because the mean of its divisors is an integer number (13077358).

Almost surely, 252288771 is an apocalyptic number.

52288771 is a deficient number, since it is larger than the sum of its proper divisors (20661).

52288771 is a wasteful number, since it uses less digits than its factorization.

52288771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20660.

The product of its digits is 62720, while the sum is 40.

The square root of 52288771 is about 7231.0974962311. The cubic root of 52288771 is about 373.9407643514.

The spelling of 52288771 in words is "fifty-two million, two hundred eighty-eight thousand, seven hundred seventy-one".

Divisors: 1 2953 17707 52288771