Search a number
-
+
30775882 = 2174719259
BaseRepresentation
bin111010101100…
…1101001001010
32010220120120111
41311121221022
530334312012
63015344534
7522406414
oct165315112
963816514
1030775882
1116410415
12a38214a
1364b71a7
1441319b4
152a7dba7
hex1d59a4a

30775882 has 16 divisors (see below), whose sum is σ = 49921920. Its totient is φ = 14173888.

The previous prime is 30775879. The next prime is 30775891. The reversal of 30775882 is 28857703.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8032 + ... + 11227.

It is an arithmetic number, because the mean of its divisors is an integer number (3120120).

Almost surely, 230775882 is an apocalyptic number.

30775882 is a deficient number, since it is larger than the sum of its proper divisors (19146038).

30775882 is a wasteful number, since it uses less digits than its factorization.

30775882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19325.

The product of its (nonzero) digits is 94080, while the sum is 40.

The square root of 30775882 is about 5547.6014636958. The cubic root of 30775882 is about 313.3792013230.

The spelling of 30775882 in words is "thirty million, seven hundred seventy-five thousand, eight hundred eighty-two".

Divisors: 1 2 17 34 47 94 799 1598 19259 38518 327403 654806 905173 1810346 15387941 30775882