Search a number
-
+
30853804 = 2231248821
BaseRepresentation
bin111010110110…
…0101010101100
32011001112110111
41311230222230
530344310204
63021145404
7523152532
oct165545254
964045414
1030853804
1116463a13
12a3bb264
1365137b7
144152152
152a96d04
hex1d6caac

30853804 has 12 divisors (see below), whose sum is σ = 55736128. Its totient is φ = 14929200.

The previous prime is 30853799. The next prime is 30853811. The reversal of 30853804 is 40835803.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (31).

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, 124287 + ... + 124534.

Almost surely, 230853804 is an apocalyptic number.

It is an amenable number.

30853804 is a deficient number, since it is larger than the sum of its proper divisors (24882324).

30853804 is a wasteful number, since it uses less digits than its factorization.

30853804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248856 (or 248854 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 30853804 is about 5554.6200590139. The cubic root of 30853804 is about 313.6434618673.

It can be divided in two parts, 3085 and 3804, that added together give a square (6889 = 832).

The spelling of 30853804 in words is "thirty million, eight hundred fifty-three thousand, eight hundred four".

Divisors: 1 2 4 31 62 124 248821 497642 995284 7713451 15426902 30853804