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166664302 = 27234312037
BaseRepresentation
bin10011110111100…
…01100001101110
3102121121102102221
421323301201232
5320131224202
624312105554
74062423520
oct1173614156
9377542387
10166664302
11860943a2
12479952ba
13286b4c3c
14181c5a10
15e972037
hex9ef186e

166664302 has 32 divisors (see below), whose sum is σ = 305091072. Its totient is φ = 66727584.

The previous prime is 166664299. The next prime is 166664341. The reversal of 166664302 is 203466661.

It is a super-2 number, since 2×1666643022 = 55553979122294408, which contains 22 as substring.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7828 + ... + 19864.

It is an arithmetic number, because the mean of its divisors is an integer number (9534096).

Almost surely, 2166664302 is an apocalyptic number.

166664302 is a deficient number, since it is larger than the sum of its proper divisors (138426770).

166664302 is a wasteful number, since it uses less digits than its factorization.

166664302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12112.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 166664302 is about 12909.8529038870. The cubic root of 166664302 is about 550.3186054844.

The spelling of 166664302 in words is "one hundred sixty-six million, six hundred sixty-four thousand, three hundred two".

Divisors: 1 2 7 14 23 43 46 86 161 301 322 602 989 1978 6923 12037 13846 24074 84259 168518 276851 517591 553702 1035182 1937957 3623137 3875914 7246274 11904593 23809186 83332151 166664302