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306053061 = 3102017687
BaseRepresentation
bin10010001111011…
…111111111000101
3210022220002212120
4102033133333011
51111322144221
650211440153
710404256656
oct2217377705
9708802776
10306053061
11147839216
12865b6059
134b539cb2
142c90b52d
151bd075c6
hex123dffc5

306053061 has 4 divisors (see below), whose sum is σ = 408070752. Its totient is φ = 204035372.

The previous prime is 306053053. The next prime is 306053071. The reversal of 306053061 is 160350603.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 306053061 - 23 = 306053053 is a prime.

It is a super-2 number, since 2×3060530612 = 187336952294939442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306053021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51008841 + ... + 51008846.

It is an arithmetic number, because the mean of its divisors is an integer number (102017688).

Almost surely, 2306053061 is an apocalyptic number.

It is an amenable number.

306053061 is a deficient number, since it is larger than the sum of its proper divisors (102017691).

306053061 is a wasteful number, since it uses less digits than its factorization.

306053061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102017690.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 306053061 is about 17494.3722665319. The cubic root of 306053061 is about 673.9053577484.

The spelling of 306053061 in words is "three hundred six million, fifty-three thousand, sixty-one".

Divisors: 1 3 102017687 306053061