Search a number
-
+
302231132 = 22723469303
BaseRepresentation
bin10010000000111…
…010111001011100
3210001200221011122
4102000322321130
51104332344012
645553510112
710326631220
oct2200727134
9701627148
10302231132
111456687a5
1285272338
134a7cc4b8
142c1d4780
151b7eee72
hex1203ae5c

302231132 has 24 divisors (see below), whose sum is σ = 630744576. Its totient is φ = 123895728.

The previous prime is 302231129. The next prime is 302231141. The reversal of 302231132 is 231132203.

302231132 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 302231132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234008 + ... + 235295.

It is an arithmetic number, because the mean of its divisors is an integer number (26281024).

Almost surely, 2302231132 is an apocalyptic number.

It is an amenable number.

302231132 is an abundant number, since it is smaller than the sum of its proper divisors (328513444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

302231132 is a wasteful number, since it uses less digits than its factorization.

302231132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469337 (or 469335 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 302231132 is about 17384.7960011040. The cubic root of 302231132 is about 671.0884010032.

Adding to 302231132 its reverse (231132203), we get a palindrome (533363335).

The spelling of 302231132 in words is "three hundred two million, two hundred thirty-one thousand, one hundred thirty-two".

Divisors: 1 2 4 7 14 23 28 46 92 161 322 644 469303 938606 1877212 3285121 6570242 10793969 13140484 21587938 43175876 75557783 151115566 302231132