Search a number
-
+
200867969 = 1027319553
BaseRepresentation
bin10111111100100…
…00000010000001
3111222222011001102
423332100002001
5402410233334
631533144145
74656230621
oct1376200201
9458864042
10200867969
11a3426095
125732b055
13327cc3b3
141c96a881
151297b67e
hexbf90081

200867969 has 4 divisors (see below), whose sum is σ = 200897796. Its totient is φ = 200838144.

The previous prime is 200867963. The next prime is 200867977. The reversal of 200867969 is 969768002.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 109474369 + 91393600 = 10463^2 + 9560^2 .

It is a cyclic number.

It is not a de Polignac number, because 200867969 - 28 = 200867713 is a prime.

It is a super-2 number, since 2×2008679692 = 80695881940369922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200867963) 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 3 ways as a sum of consecutive naturals, for example, 497 + ... + 20049.

It is an arithmetic number, because the mean of its divisors is an integer number (50224449).

Almost surely, 2200867969 is an apocalyptic number.

It is an amenable number.

200867969 is a deficient number, since it is larger than the sum of its proper divisors (29827).

200867969 is a wasteful number, since it uses less digits than its factorization.

200867969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29826.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 200867969 is about 14172.7897394973. The cubic root of 200867969 is about 585.6483123534.

The spelling of 200867969 in words is "two hundred million, eight hundred sixty-seven thousand, nine hundred sixty-nine".

Divisors: 1 10273 19553 200867969