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52268545 = 572317673
BaseRepresentation
bin1100011101100…
…0111000000001
310122100111222001
43013120320001
5101340043140
65104144001
71203163300
oct307307001
9118314861
1052268545
112756014a
1215608001
13aaa0b44
146d28437
1548c6e9a
hex31d8e01

52268545 has 24 divisors (see below), whose sum is σ = 73301544. Its totient is φ = 35675136.

The previous prime is 52268519. The next prime is 52268549. The reversal of 52268545 is 54586225.

It can be written as a sum of positive squares in 4 ways, for example, as 82369 + 52186176 = 287^2 + 7224^2 .

It is not a de Polignac number, because 52268545 - 217 = 52137473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52268549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77329 + ... + 78001.

It is an arithmetic number, because the mean of its divisors is an integer number (3054231).

Almost surely, 252268545 is an apocalyptic number.

It is an amenable number.

52268545 is a deficient number, since it is larger than the sum of its proper divisors (21032999).

52268545 is a wasteful number, since it uses less digits than its factorization.

52268545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009 (or 1002 counting only the distinct ones).

The product of its digits is 96000, while the sum is 37.

The square root of 52268545 is about 7229.6988180698. The cubic root of 52268545 is about 373.8925430274.

The spelling of 52268545 in words is "fifty-two million, two hundred sixty-eight thousand, five hundred forty-five".

Divisors: 1 5 7 35 49 245 317 673 1585 2219 3365 4711 11095 15533 23555 32977 77665 164885 213341 1066705 1493387 7466935 10453709 52268545