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2164093 = 23372543
BaseRepresentation
bin1000010000010101111101
311001221120121
420100111331
51023222333
6114214541
724252211
oct10202575
94057517
102164093
111248a08
12884451
135aa039
14404941
152cb32d
hex21057d

2164093 has 8 divisors (see below), whose sum is σ = 2320128. Its totient is φ = 2013264.

The previous prime is 2164073. The next prime is 2164111. The reversal of 2164093 is 3904612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2164093 - 217 = 2033021 is a prime.

It is a d-powerful number, because it can be written as 221 + 1 + 64 + 48 + 0 + 92 + 33 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2164003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421 + ... + 2122.

It is an arithmetic number, because the mean of its divisors is an integer number (290016).

22164093 is an apocalyptic number.

2164093 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2164093 is a deficient number, since it is larger than the sum of its proper divisors (156035).

2164093 is a wasteful number, since it uses less digits than its factorization.

2164093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2603.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 2164093 is about 1471.0856535226. The cubic root of 2164093 is about 129.3476789687.

The spelling of 2164093 in words is "two million, one hundred sixty-four thousand, ninety-three".

Divisors: 1 23 37 851 2543 58489 94091 2164093