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12164870 = 251996113
BaseRepresentation
bin101110011001…
…111100000110
3211220001001202
4232121330012
511103233440
61112422502
7205254044
oct56317406
924801052
1012164870
116959713
1240a7a32
13269c063
141889394
151104615
hexb99f06

12164870 has 16 divisors (see below), whose sum is σ = 22010400. Its totient is φ = 4840704.

The previous prime is 12164857. The next prime is 12164881. The reversal of 12164870 is 7846121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1067 + ... + 5046.

It is an arithmetic number, because the mean of its divisors is an integer number (1375650).

Almost surely, 212164870 is an apocalyptic number.

12164870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12164870 is a deficient number, since it is larger than the sum of its proper divisors (9845530).

12164870 is a wasteful number, since it uses less digits than its factorization.

12164870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6319.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 12164870 is about 3487.8173690720. The cubic root of 12164870 is about 229.9865776666.

The spelling of 12164870 in words is "twelve million, one hundred sixty-four thousand, eight hundred seventy".

Divisors: 1 2 5 10 199 398 995 1990 6113 12226 30565 61130 1216487 2432974 6082435 12164870