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2192144 = 24197211
BaseRepresentation
bin1000010111001100010000
311010101001112
420113030100
51030122034
6114552452
724430043
oct10271420
94111045
102192144
111267a99
12898728
135b9a36
14410c5a
152d47ce
hex217310

2192144 has 20 divisors (see below), whose sum is σ = 4471440. Its totient is φ = 1038240.

The previous prime is 2192143. The next prime is 2192161. The reversal of 2192144 is 4412912.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2192143) 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, 3302 + ... + 3909.

It is an arithmetic number, because the mean of its divisors is an integer number (223572).

22192144 is an apocalyptic number.

It is an amenable number.

2192144 is an abundant number, since it is smaller than the sum of its proper divisors (2279296).

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

2192144 is a wasteful number, since it uses less digits than its factorization.

2192144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7238 (or 7232 counting only the distinct ones).

The product of its digits is 576, while the sum is 23.

The square root of 2192144 is about 1480.5890719575. The cubic root of 2192144 is about 129.9041502541.

The spelling of 2192144 in words is "two million, one hundred ninety-two thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 19 38 76 152 304 7211 14422 28844 57688 115376 137009 274018 548036 1096072 2192144