Search a number
-
+
550289913 = 3199654209
BaseRepresentation
bin100000110011001…
…100000111111001
31102100110121211220
4200303030013321
52111333234123
6130334342253
716431246525
oct4063140771
91370417756
10550289913
11262695a58
1213435a989
138a012444
1453126d85
153349dce3
hex20ccc1f9

550289913 has 8 divisors (see below), whose sum is σ = 772336800. Its totient is φ = 347551488.

The previous prime is 550289911. The next prime is 550289921. The reversal of 550289913 is 319982055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 550289913 - 21 = 550289911 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (550289911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4827048 + ... + 4827161.

It is an arithmetic number, because the mean of its divisors is an integer number (96542100).

Almost surely, 2550289913 is an apocalyptic number.

It is an amenable number.

550289913 is a deficient number, since it is larger than the sum of its proper divisors (222046887).

550289913 is a wasteful number, since it uses less digits than its factorization.

550289913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9654231.

The product of its (nonzero) digits is 97200, while the sum is 42.

The square root of 550289913 is about 23458.2589507406. The cubic root of 550289913 is about 819.4652040335.

The spelling of 550289913 in words is "five hundred fifty million, two hundred eighty-nine thousand, nine hundred thirteen".

Divisors: 1 3 19 57 9654209 28962627 183429971 550289913