Search a number
-
+
30666652 = 2261125683
BaseRepresentation
bin111010011111…
…0111110011100
32010201000201221
41310332332130
530322313102
63013143124
7521443102
oct164767634
963630657
1030666652
1116346345
12a32aaa4
136479563
144103c72
152a5b637
hex1d3ef9c

30666652 has 12 divisors (see below), whose sum is σ = 54546856. Its totient is φ = 15081840.

The previous prime is 30666619. The next prime is 30666667. The reversal of 30666652 is 25666603.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 62598 + ... + 63085.

Almost surely, 230666652 is an apocalyptic number.

It is an amenable number.

30666652 is a deficient number, since it is larger than the sum of its proper divisors (23880204).

30666652 is a wasteful number, since it uses less digits than its factorization.

30666652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125748 (or 125746 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 30666652 is about 5537.7479177008. The cubic root of 30666652 is about 313.0080125336.

The spelling of 30666652 in words is "thirty million, six hundred sixty-six thousand, six hundred fifty-two".

Divisors: 1 2 4 61 122 244 125683 251366 502732 7666663 15333326 30666652