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30834194 = 215417097
BaseRepresentation
bin111010110011…
…1111000010010
32011000112120012
41311213320102
530343143234
63020514522
7523041416
oct165477022
964015505
1030834194
1116450206
12a3aba42
1365078b1
144148d46
152a910ce
hex1d67e12

30834194 has 4 divisors (see below), whose sum is σ = 46251294. Its totient is φ = 15417096.

The previous prime is 30834187. The next prime is 30834217. The reversal of 30834194 is 49143803.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49143803 = 275317851.

It can be written as a sum of positive squares in only one way, i.e., 16507969 + 14326225 = 4063^2 + 3785^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30834194.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7708547 + ... + 7708550.

Almost surely, 230834194 is an apocalyptic number.

30834194 is a deficient number, since it is larger than the sum of its proper divisors (15417100).

30834194 is a wasteful number, since it uses less digits than its factorization.

30834194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15417099.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 30834194 is about 5552.8545812042. The cubic root of 30834194 is about 313.5769994867.

Adding to 30834194 its reverse (49143803), we get a palindrome (79977997).

The spelling of 30834194 in words is "thirty million, eight hundred thirty-four thousand, one hundred ninety-four".

Divisors: 1 2 15417097 30834194