[go: up one dir, main page]

Search a number
-
+
30853256 = 237550951
BaseRepresentation
bin111010110110…
…0100010001000
32011001111201012
41311230202020
530344301011
63021143052
7523151120
oct165544210
964044635
1030853256
1116463565
12a3baa88
136513485
144151c80
152a96a8b
hex1d6c888

30853256 has 16 divisors (see below), whose sum is σ = 66114240. Its totient is φ = 13222800.

The previous prime is 30853247. The next prime is 30853271. The reversal of 30853256 is 65235803.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275420 + ... + 275531.

It is an arithmetic number, because the mean of its divisors is an integer number (4132140).

Almost surely, 230853256 is an apocalyptic number.

It is an amenable number.

30853256 is an abundant number, since it is smaller than the sum of its proper divisors (35260984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30853256 is a wasteful number, since it uses less digits than its factorization.

30853256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550964 (or 550960 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 30853256 is about 5554.5707304885. The cubic root of 30853256 is about 313.6416049636.

The spelling of 30853256 in words is "thirty million, eight hundred fifty-three thousand, two hundred fifty-six".

Divisors: 1 2 4 7 8 14 28 56 550951 1101902 2203804 3856657 4407608 7713314 15426628 30853256