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12164004 = 2232714759
BaseRepresentation
bin101110011001…
…101110100100
3211212222212200
4232121232210
511103222004
61112414500
7205251366
oct56315644
924788780
1012164004
116958aa6
1240a7430
13269b848
141888d36
151104239
hexb99ba4

12164004 has 36 divisors (see below), whose sum is σ = 31187520. Its totient is φ = 3996720.

The previous prime is 12163999. The next prime is 12164017. The reversal of 12164004 is 40046121.

12164004 is a `hidden beast` number, since 1 + 21 + 640 + 0 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

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 11 ways as a sum of consecutive naturals, for example, 177 + ... + 4935.

It is an arithmetic number, because the mean of its divisors is an integer number (866320).

Almost surely, 212164004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12164004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15593760).

12164004 is an abundant number, since it is smaller than the sum of its proper divisors (19023516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12164004 is a wasteful number, since it uses less digits than its factorization.

12164004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4840 (or 4835 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 12164004 is about 3487.6932204539. The cubic root of 12164004 is about 229.9811200634.

The spelling of 12164004 in words is "twelve million, one hundred sixty-four thousand, four".

Divisors: 1 2 3 4 6 9 12 18 36 71 142 213 284 426 639 852 1278 2556 4759 9518 14277 19036 28554 42831 57108 85662 171324 337889 675778 1013667 1351556 2027334 3041001 4054668 6082002 12164004