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5169905 = 51379537
BaseRepresentation
bin10011101110001011110001
3100201122202222
4103232023301
52310414110
6302450425
761641416
oct23561361
910648688
105169905
112a11254
121893a15
1310c0220
1498810d
156c1c55
hex4ee2f1

5169905 has 8 divisors (see below), whose sum is σ = 6681192. Its totient is φ = 3817728.

The previous prime is 5169893. The next prime is 5169907. The reversal of 5169905 is 5099615.

It can be written as a sum of positive squares in 4 ways, for example, as 913936 + 4255969 = 956^2 + 2063^2 .

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 5169905 - 26 = 5169841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5169907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39704 + ... + 39833.

It is an arithmetic number, because the mean of its divisors is an integer number (835149).

Almost surely, 25169905 is an apocalyptic number.

It is an amenable number.

5169905 is a deficient number, since it is larger than the sum of its proper divisors (1511287).

5169905 is a wasteful number, since it uses less digits than its factorization.

5169905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79555.

The product of its (nonzero) digits is 12150, while the sum is 35.

The square root of 5169905 is about 2273.7425096083. The cubic root of 5169905 is about 172.9129502919.

The spelling of 5169905 in words is "five million, one hundred sixty-nine thousand, nine hundred five".

Divisors: 1 5 13 65 79537 397685 1033981 5169905