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2106166 = 21053083
BaseRepresentation
bin1000000010001100110110
310222000010011
420002030312
51014344131
6113050434
723621266
oct10021466
93860104
102106166
111209437
12856a1a
1358986a
143cb7a6
152b90b1
hex202336

2106166 has 4 divisors (see below), whose sum is σ = 3159252. Its totient is φ = 1053082.

The previous prime is 2106149. The next prime is 2106173. The reversal of 2106166 is 6616012.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) 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 as a sum of consecutive naturals, namely, 526540 + ... + 526543.

It is an arithmetic number, because the mean of its divisors is an integer number (789813).

22106166 is an apocalyptic number.

2106166 is a deficient number, since it is larger than the sum of its proper divisors (1053086).

2106166 is a wasteful number, since it uses less digits than its factorization.

2106166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053085.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 2106166 is about 1451.2635873610. The cubic root of 2106166 is about 128.1831281751.

The spelling of 2106166 in words is "two million, one hundred six thousand, one hundred sixty-six".

Divisors: 1 2 1053083 2106166