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306244085 = 5719943969
BaseRepresentation
bin10010010000001…
…110100111110101
3210100020210220112
4102100032213311
51111344302320
650215512405
710406013620
oct2220164765
9710223815
10306244085
11147959794
1286688705
134b5a5c24
142c95adb7
151bd43ec5
hex1240e9f5

306244085 has 16 divisors (see below), whose sum is σ = 422112000. Its totient is φ = 208935936.

The previous prime is 306244073. The next prime is 306244093. The reversal of 306244085 is 580442603.

It is a cyclic number.

It is not a de Polignac number, because 306244085 - 28 = 306243829 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15020 + ... + 28949.

It is an arithmetic number, because the mean of its divisors is an integer number (26382000).

Almost surely, 2306244085 is an apocalyptic number.

306244085 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

306244085 is a deficient number, since it is larger than the sum of its proper divisors (115867915).

306244085 is a wasteful number, since it uses less digits than its factorization.

306244085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44180.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 306244085 is about 17499.8309991840. The cubic root of 306244085 is about 674.0455353187.

Adding to 306244085 its reverse (580442603), we get a palindrome (886686688).

The spelling of 306244085 in words is "three hundred six million, two hundred forty-four thousand, eighty-five".

Divisors: 1 5 7 35 199 995 1393 6965 43969 219845 307783 1538915 8749831 43749155 61248817 306244085