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306442011 = 3137745601
BaseRepresentation
bin10010010000111…
…110111100011011
3210100121212102010
4102100332330123
51111422121021
650224041003
710410466641
oct2220767433
9710555363
10306442011
11147a84467
1286763163
134b645045
142c9ad191
151bd82976
hex1243ef1b

306442011 has 8 divisors (see below), whose sum is σ = 411572304. Its totient is φ = 202803200.

The previous prime is 306442009. The next prime is 306442033. The reversal of 306442011 is 110244603.

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

It is a cyclic number.

It is not a de Polignac number, because 306442011 - 21 = 306442009 is a prime.

It is a super-2 number, since 2×3064420112 = 187813412211448242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (306442061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372390 + ... + 373211.

It is an arithmetic number, because the mean of its divisors is an integer number (51446538).

Almost surely, 2306442011 is an apocalyptic number.

306442011 is a deficient number, since it is larger than the sum of its proper divisors (105130293).

306442011 is a wasteful number, since it uses less digits than its factorization.

306442011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745741.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 306442011 is about 17505.4851689406. The cubic root of 306442011 is about 674.1907162514.

Adding to 306442011 its reverse (110244603), we get a palindrome (416686614).

The spelling of 306442011 in words is "three hundred six million, four hundred forty-two thousand, eleven".

Divisors: 1 3 137 411 745601 2236803 102147337 306442011