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2164293 = 33711129
BaseRepresentation
bin1000010000011001000101
311001221212000
420100121011
51023224133
6114215513
724252615
oct10203105
94057760
102164293
11124907a
12884599
135aa161
14404a45
152cb413
hex210645

2164293 has 16 divisors (see below), whose sum is σ = 3254400. Its totient is φ = 1421280.

The previous prime is 2164291. The next prime is 2164307. The reversal of 2164293 is 3924612.

It is not a de Polignac number, because 2164293 - 21 = 2164291 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 23 + 1 + 66 + 43 + 221 + 93 + 39 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2164291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1353 + ... + 2481.

It is an arithmetic number, because the mean of its divisors is an integer number (203400).

22164293 is an apocalyptic number.

It is an amenable number.

2164293 is a deficient number, since it is larger than the sum of its proper divisors (1090107).

2164293 is a wasteful number, since it uses less digits than its factorization.

2164293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209 (or 1203 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 2164293 is about 1471.1536289593. The cubic root of 2164293 is about 129.3516635077.

The spelling of 2164293 in words is "two million, one hundred sixty-four thousand, two hundred ninety-three".

Divisors: 1 3 9 27 71 213 639 1129 1917 3387 10161 30483 80159 240477 721431 2164293