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305311034 = 2721807931
BaseRepresentation
bin10010001100101…
…010110100111010
3210021111102000002
4102030222310322
51111124423114
650143513002
710365046430
oct2214526472
9707442002
10305311034
11147381776
12862b8762
134b33a322
142c796d50
151bc0c7de
hex1232ad3a

305311034 has 8 divisors (see below), whose sum is σ = 523390368. Its totient is φ = 130847580.

The previous prime is 305311021. The next prime is 305311049. The reversal of 305311034 is 430113503.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 305310997 and 305311015.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10903952 + ... + 10903979.

It is an arithmetic number, because the mean of its divisors is an integer number (65423796).

Almost surely, 2305311034 is an apocalyptic number.

305311034 is a deficient number, since it is larger than the sum of its proper divisors (218079334).

305311034 is a wasteful number, since it uses less digits than its factorization.

305311034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21807940.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 305311034 is about 17473.1518049836. The cubic root of 305311034 is about 673.3602881627.

Adding to 305311034 its reverse (430113503), we get a palindrome (735424537).

The spelling of 305311034 in words is "three hundred five million, three hundred eleven thousand, thirty-four".

Divisors: 1 2 7 14 21807931 43615862 152655517 305311034