Search a number
-
+
2164452 = 223180371
BaseRepresentation
bin1000010000011011100100
311001222001220
420100123210
51023230302
6114220340
724253233
oct10203344
94058056
102164452
111249204
128846b0
135aa254
14404b1a
152cb4bc
hex2106e4

2164452 has 12 divisors (see below), whose sum is σ = 5050416. Its totient is φ = 721480.

The previous prime is 2164447. The next prime is 2164453. The reversal of 2164452 is 2544612.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (2164453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90174 + ... + 90197.

It is an arithmetic number, because the mean of its divisors is an integer number (420868).

22164452 is an apocalyptic number.

It is an amenable number.

2164452 is an abundant number, since it is smaller than the sum of its proper divisors (2885964).

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

2164452 is a wasteful number, since it uses less digits than its factorization.

2164452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180378 (or 180376 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 2164452 is about 1471.2076671905. The cubic root of 2164452 is about 129.3548310411.

The spelling of 2164452 in words is "two million, one hundred sixty-four thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 12 180371 360742 541113 721484 1082226 2164452