Search a number
-
+
306083061 = 32277122777
BaseRepresentation
bin10010001111100…
…111010011110101
3210022221122000200
4102033213103311
51111324124221
650212231113
710404443304
oct2217472365
9708848020
10306083061
11147859809
128660b499
134b54a84b
142c91843b
151bd11426
hex123e74f5

306083061 has 12 divisors (see below), whose sum is σ = 443719692. Its totient is φ = 203317056.

The previous prime is 306083033. The next prime is 306083069. The reversal of 306083061 is 160380603.

It can be written as a sum of positive squares in 2 ways, for example, as 20304036 + 285779025 = 4506^2 + 16905^2 .

It is not a de Polignac number, because 306083061 - 215 = 306050293 is a prime.

It is a super-2 number, since 2×3060830612 = 187373680462259442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306083069) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 58896 + ... + 63881.

It is an arithmetic number, because the mean of its divisors is an integer number (36976641).

Almost surely, 2306083061 is an apocalyptic number.

It is an amenable number.

306083061 is a deficient number, since it is larger than the sum of its proper divisors (137636631).

306083061 is a wasteful number, since it uses less digits than its factorization.

306083061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123060 (or 123057 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 306083061 is about 17495.2296641113. The cubic root of 306083061 is about 673.9273762617.

The spelling of 306083061 in words is "three hundred six million, eighty-three thousand, sixty-one".

Divisors: 1 3 9 277 831 2493 122777 368331 1104993 34009229 102027687 306083061