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30670634 = 217338849
BaseRepresentation
bin111010011111…
…1111100101010
32010201020012102
41310333330222
530322430014
63013213402
7521460521
oct164777452
963636172
1030670634
1116349335
12a331262
13647b307
1441054b8
152a5c8de
hex1d3ff2a

30670634 has 8 divisors (see below), whose sum is σ = 46037700. Its totient is φ = 15324736.

The previous prime is 30670609. The next prime is 30670643. The reversal of 30670634 is 43607603.

It can be written as a sum of positive squares in 2 ways, for example, as 26061025 + 4609609 = 5105^2 + 2147^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 30670597 and 30670606.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 959 + ... + 7890.

Almost surely, 230670634 is an apocalyptic number.

30670634 is a deficient number, since it is larger than the sum of its proper divisors (15367066).

30670634 is a wasteful number, since it uses less digits than its factorization.

30670634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10584.

The product of its (nonzero) digits is 9072, while the sum is 29.

The square root of 30670634 is about 5538.1074384667. The cubic root of 30670634 is about 313.0215597571.

The spelling of 30670634 in words is "thirty million, six hundred seventy thousand, six hundred thirty-four".

Divisors: 1 2 1733 3466 8849 17698 15335317 30670634