Search a number
-
+
5317945 = 523131353
BaseRepresentation
bin10100010010010100111001
3101000011211221
4110102110321
52330133240
6305552041
763126133
oct24222471
911004757
105317945
1130024a6
121945621
131142719
149c6053
15700a4a
hex512539

5317945 has 16 divisors (see below), whose sum is σ = 6728832. Its totient is φ = 4026880.

The previous prime is 5317943. The next prime is 5317951. The reversal of 5317945 is 5497135.

It is not a de Polignac number, because 5317945 - 21 = 5317943 is a prime.

It is an Ulam number.

It is a Duffinian number.

5317945 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 5317945.

It is not an unprimeable number, because it can be changed into a prime (5317943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14889 + ... + 15241.

It is an arithmetic number, because the mean of its divisors is an integer number (420552).

Almost surely, 25317945 is an apocalyptic number.

It is an amenable number.

5317945 is a deficient number, since it is larger than the sum of its proper divisors (1410887).

5317945 is a wasteful number, since it uses less digits than its factorization.

5317945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512.

The product of its digits is 18900, while the sum is 34.

The square root of 5317945 is about 2306.0669981594. The cubic root of 5317945 is about 174.5478942325.

The spelling of 5317945 in words is "five million, three hundred seventeen thousand, nine hundred forty-five".

Divisors: 1 5 23 115 131 353 655 1765 3013 8119 15065 40595 46243 231215 1063589 5317945