Search a number
-
+
309286094 = 21311895619
BaseRepresentation
bin10010011011110…
…101010011001110
3210112222100202112
4102123311103032
51113134123334
650405024022
710443613505
oct2233652316
9715870675
10309286094
11149647247
12876b5012
134c0cc730
142d10d83c
151c2454ce
hex126f54ce

309286094 has 8 divisors (see below), whose sum is σ = 499616040. Its totient is φ = 142747416.

The previous prime is 309286063. The next prime is 309286097. The reversal of 309286094 is 490682903.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (309286097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5947784 + ... + 5947835.

It is an arithmetic number, because the mean of its divisors is an integer number (62452005).

Almost surely, 2309286094 is an apocalyptic number.

309286094 is a deficient number, since it is larger than the sum of its proper divisors (190329946).

309286094 is a wasteful number, since it uses less digits than its factorization.

309286094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11895634.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 309286094 is about 17586.5316080232. The cubic root of 309286094 is about 676.2700142703.

The spelling of 309286094 in words is "three hundred nine million, two hundred eighty-six thousand, ninety-four".

Divisors: 1 2 13 26 11895619 23791238 154643047 309286094