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30853850 = 252617077
BaseRepresentation
bin111010110110…
…0101011011010
32011001112112012
41311230223122
530344310400
63021145522
7523152626
oct165545332
964045465
1030853850
1116463a55
12a3bb2a2
136513821
144152186
152a96d35
hex1d6cada

30853850 has 12 divisors (see below), whose sum is σ = 57388254. Its totient is φ = 12341520.

The previous prime is 30853847. The next prime is 30853871. The reversal of 30853850 is 5835803.

It can be written as a sum of positive squares in 3 ways, for example, as 21557449 + 9296401 = 4643^2 + 3049^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 308489 + ... + 308588.

Almost surely, 230853850 is an apocalyptic number.

30853850 is a deficient number, since it is larger than the sum of its proper divisors (26534404).

30853850 is a wasteful number, since it uses less digits than its factorization.

30853850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617089 (or 617084 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 30853850 is about 5554.6241997096. The cubic root of 30853850 is about 313.6436177378.

The spelling of 30853850 in words is "thirty million, eight hundred fifty-three thousand, eight hundred fifty".

Divisors: 1 2 5 10 25 50 617077 1234154 3085385 6170770 15426925 30853850