Search a number
-
+
307229085 = 3352275771
BaseRepresentation
bin10010010011111…
…111000110011101
3210102002212002000
4102103333012131
51112122312320
650252552513
710420255422
oct2223770635
9712085060
10307229085
11148471839
1286a82739
134b85c377
142cb35d49
151be8ac90
hex124ff19d

307229085 has 16 divisors (see below), whose sum is σ = 546185280. Its totient is φ = 163855440.

The previous prime is 307229077. The next prime is 307229099. The reversal of 307229085 is 580922703.

It is a happy number.

It is not a de Polignac number, because 307229085 - 23 = 307229077 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1137751 + ... + 1138020.

It is an arithmetic number, because the mean of its divisors is an integer number (34136580).

Almost surely, 2307229085 is an apocalyptic number.

It is an amenable number.

307229085 is a deficient number, since it is larger than the sum of its proper divisors (238956195).

307229085 is a wasteful number, since it uses less digits than its factorization.

307229085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2275785 (or 2275779 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 307229085 is about 17527.9515346204. The cubic root of 307229085 is about 674.7674260478.

The spelling of 307229085 in words is "three hundred seven million, two hundred twenty-nine thousand, eighty-five".

Divisors: 1 3 5 9 15 27 45 135 2275771 6827313 11378855 20481939 34136565 61445817 102409695 307229085