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30493882 = 247324403
BaseRepresentation
bin111010001010…
…0110010111010
32010101020202001
41310110302322
530301301012
63005331214
7520123306
oct164246272
963336661
1030493882
1116238561
12a266b0a
136418a23
14409ad06
152a25357
hex1d14cba

30493882 has 8 divisors (see below), whose sum is σ = 46714176. Its totient is φ = 14922492.

The previous prime is 30493867. The next prime is 30493891. The reversal of 30493882 is 28839403.

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

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 3 ways as a sum of consecutive naturals, for example, 162108 + ... + 162295.

It is an arithmetic number, because the mean of its divisors is an integer number (5839272).

Almost surely, 230493882 is an apocalyptic number.

30493882 is a deficient number, since it is larger than the sum of its proper divisors (16220294).

30493882 is a wasteful number, since it uses less digits than its factorization.

30493882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324452.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 30493882 is about 5522.1265831199. The cubic root of 30493882 is about 312.4190962832.

It can be divided in two parts, 30493 and 882, that added together give a triangular number (31375 = T250).

The spelling of 30493882 in words is "thirty million, four hundred ninety-three thousand, eight hundred eighty-two".

Divisors: 1 2 47 94 324403 648806 15246941 30493882