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5245945 = 51761717
BaseRepresentation
bin10100000000101111111001
3100212112002021
4110000233321
52320332240
6304234441
762406205
oct24005771
910775067
105245945
112a633a1
12190ba21
131118a13
149a7b05
156d954a
hex500bf9

5245945 has 8 divisors (see below), whose sum is σ = 6665544. Its totient is φ = 3949824.

The previous prime is 5245943. The next prime is 5245963. The reversal of 5245945 is 5495425.

It is a happy number.

5245945 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 281961 + 4963984 = 531^2 + 2228^2 .

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 5245945 - 21 = 5245943 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5245945.

It is not an unprimeable number, because it can be changed into a prime (5245943) 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 7 ways as a sum of consecutive naturals, for example, 30774 + ... + 30943.

It is an arithmetic number, because the mean of its divisors is an integer number (833193).

Almost surely, 25245945 is an apocalyptic number.

It is an amenable number.

5245945 is a deficient number, since it is larger than the sum of its proper divisors (1419599).

5245945 is a wasteful number, since it uses less digits than its factorization.

5245945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61739.

The product of its digits is 36000, while the sum is 34.

The square root of 5245945 is about 2290.4028030021. The cubic root of 5245945 is about 173.7565737726.

The spelling of 5245945 in words is "five million, two hundred forty-five thousand, nine hundred forty-five".

Divisors: 1 5 17 85 61717 308585 1049189 5245945