Search a number
-
+
268164986 = 2472852819
BaseRepresentation
bin11111111101111…
…01111101111010
3200200121012012112
433332331331322
51022122234421
642335412322
76434236055
oct1776757572
9620535175
10268164986
11128410361
12759840a2
134373280b
1427887a9c
151882145b
hexffbdf7a

268164986 has 8 divisors (see below), whose sum is σ = 410806080. Its totient is φ = 131229628.

The previous prime is 268164907. The next prime is 268164997. The reversal of 268164986 is 689461862.

It is a happy number.

268164986 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1426316 + ... + 1426503.

It is an arithmetic number, because the mean of its divisors is an integer number (51350760).

Almost surely, 2268164986 is an apocalyptic number.

268164986 is a deficient number, since it is larger than the sum of its proper divisors (142641094).

268164986 is a wasteful number, since it uses less digits than its factorization.

268164986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2852868.

The product of its digits is 995328, while the sum is 50.

The square root of 268164986 is about 16375.7438304341. The cubic root of 268164986 is about 644.8628484700.

The spelling of 268164986 in words is "two hundred sixty-eight million, one hundred sixty-four thousand, nine hundred eighty-six".

Divisors: 1 2 47 94 2852819 5705638 134082493 268164986