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30666922 = 21113107227
BaseRepresentation
bin111010011111…
…1000010101010
32010201001002221
41310333002222
530322320142
63013144254
7521443636
oct164770252
963631087
1030666922
1116346570
12a32b08a
136479710
144103dc6
152a5b767
hex1d3f0aa

30666922 has 16 divisors (see below), whose sum is σ = 54042912. Its totient is φ = 12867120.

The previous prime is 30666917. The next prime is 30666953. The reversal of 30666922 is 22966603.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53328 + ... + 53899.

It is an arithmetic number, because the mean of its divisors is an integer number (3377682).

Almost surely, 230666922 is an apocalyptic number.

30666922 is a deficient number, since it is larger than the sum of its proper divisors (23375990).

30666922 is a wasteful number, since it uses less digits than its factorization.

30666922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107253.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 30666922 is about 5537.7722957883. The cubic root of 30666922 is about 313.0089311418.

The spelling of 30666922 in words is "thirty million, six hundred sixty-six thousand, nine hundred twenty-two".

Divisors: 1 2 11 13 22 26 143 286 107227 214454 1179497 1393951 2358994 2787902 15333461 30666922