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5209917 = 31736639
BaseRepresentation
bin10011110111111100111101
3100210200122220
4103313330331
52313204132
6303355553
762166156
oct23677475
910720586
105209917
112a39319
1218b2bb9
1311054bb
1499892d
156cda2c
hex4f7f3d

5209917 has 4 divisors (see below), whose sum is σ = 6946560. Its totient is φ = 3473276.

The previous prime is 5209913. The next prime is 5209943. The reversal of 5209917 is 7199025.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5209917 - 22 = 5209913 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5209913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 868317 + ... + 868322.

It is an arithmetic number, because the mean of its divisors is an integer number (1736640).

Almost surely, 25209917 is an apocalyptic number.

It is an amenable number.

5209917 is a deficient number, since it is larger than the sum of its proper divisors (1736643).

5209917 is a wasteful number, since it uses less digits than its factorization.

5209917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1736642.

The product of its (nonzero) digits is 5670, while the sum is 33.

The square root of 5209917 is about 2282.5242605501. The cubic root of 5209917 is about 173.3578856575.

The spelling of 5209917 in words is "five million, two hundred nine thousand, nine hundred seventeen".

Divisors: 1 3 1736639 5209917