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166030774 = 27131396563
BaseRepresentation
bin10011110010101…
…10110110110110
3102120102020101221
421321112312312
5320000441044
624250340554
74054144510
oct1171266666
9376366357
10166030774
11857a1418
124772a75a
1328522780
141809cbb0
15e899484
hex9e56db6

166030774 has 32 divisors (see below), whose sum is σ = 308770560. Its totient is φ = 65200032.

The previous prime is 166030741. The next prime is 166030807. The reversal of 166030774 is 477030661.

166030774 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (166030741) and next prime (166030807).

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 15 ways as a sum of consecutive naturals, for example, 22017 + ... + 28579.

It is an arithmetic number, because the mean of its divisors is an integer number (9649080).

Almost surely, 2166030774 is an apocalyptic number.

166030774 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

166030774 is a deficient number, since it is larger than the sum of its proper divisors (142739786).

166030774 is a wasteful number, since it uses less digits than its factorization.

166030774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6724.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 166030774 is about 12885.2929341944. The cubic root of 166030774 is about 549.6204257060.

The spelling of 166030774 in words is "one hundred sixty-six million, thirty thousand, seven hundred seventy-four".

Divisors: 1 2 7 13 14 26 91 139 182 278 973 1807 1946 3614 6563 12649 13126 25298 45941 85319 91882 170638 597233 912257 1194466 1824514 6385799 11859341 12771598 23718682 83015387 166030774