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2057323 = 17121019
BaseRepresentation
bin111110110010001101011
310212112010011
413312101223
51011313243
6112032351
723326012
oct7662153
93775104
102057323
111185774
128326b7
13570568
143b7a79
152a989d
hex1f646b

2057323 has 4 divisors (see below), whose sum is σ = 2178360. Its totient is φ = 1936288.

The previous prime is 2057317. The next prime is 2057333. The reversal of 2057323 is 3237502.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2057323 - 25 = 2057291 is a prime.

It is a super-3 number, since 3×20573233 = 26123339751386871801, which contains 333 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2057294 and 2057303.

It is not an unprimeable number, because it can be changed into a prime (2057303) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 60493 + ... + 60526.

It is an arithmetic number, because the mean of its divisors is an integer number (544590).

22057323 is an apocalyptic number.

2057323 is a deficient number, since it is larger than the sum of its proper divisors (121037).

2057323 is a wasteful number, since it uses less digits than its factorization.

2057323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121036.

The product of its (nonzero) digits is 1260, while the sum is 22.

The square root of 2057323 is about 1434.3371291297. The cubic root of 2057323 is about 127.1844922289.

The spelling of 2057323 in words is "two million, fifty-seven thousand, three hundred twenty-three".

Divisors: 1 17 121019 2057323