Search a number
-
+
30666093 = 3831071151
BaseRepresentation
bin111010011111…
…0110101101101
32010200222222020
41310332311231
530322303333
63013140353
7521441343
oct164766555
963628866
1030666093
1116345987
12a32a6b9
136479223
144103993
152a5b3b3
hex1d3ed6d

30666093 has 16 divisors (see below), whose sum is σ = 41803776. Its totient is φ = 19991600.

The previous prime is 30666067. The next prime is 30666109. The reversal of 30666093 is 39066603.

It is a cyclic number.

It is not a de Polignac number, because 30666093 - 26 = 30666029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30666023) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 26068 + ... + 27218.

It is an arithmetic number, because the mean of its divisors is an integer number (2612736).

Almost surely, 230666093 is an apocalyptic number.

It is an amenable number.

30666093 is a deficient number, since it is larger than the sum of its proper divisors (11137683).

30666093 is a wasteful number, since it uses less digits than its factorization.

30666093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344.

The product of its (nonzero) digits is 17496, while the sum is 33.

The square root of 30666093 is about 5537.6974456899. The cubic root of 30666093 is about 313.0061106572.

The spelling of 30666093 in words is "thirty million, six hundred sixty-six thousand, ninety-three".

Divisors: 1 3 83 107 249 321 1151 3453 8881 26643 95533 123157 286599 369471 10222031 30666093