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52288906 = 2178091901
BaseRepresentation
bin1100011101110…
…1110110001010
310122101112220011
43013131312022
5101341221111
65104422134
71203306535
oct307356612
9118345804
1052288906
112757447a
121561794a
13aaaa1a7
146d31a1c
1548cd021
hex31ddd8a

52288906 has 16 divisors (see below), whose sum is σ = 83193480. Its totient is φ = 24563200.

The previous prime is 52288897. The next prime is 52288937. The reversal of 52288906 is 60988225.

It can be written as a sum of positive squares in 4 ways, for example, as 48427681 + 3861225 = 6959^2 + 1965^2 .

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, 26556 + ... + 28456.

Almost surely, 252288906 is an apocalyptic number.

52288906 is a deficient number, since it is larger than the sum of its proper divisors (30904574).

52288906 is a wasteful number, since it uses less digits than its factorization.

52288906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2729.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 52288906 is about 7231.1068309077. The cubic root of 52288906 is about 373.9410861666.

The spelling of 52288906 in words is "fifty-two million, two hundred eighty-eight thousand, nine hundred six".

Divisors: 1 2 17 34 809 1618 1901 3802 13753 27506 32317 64634 1537909 3075818 26144453 52288906