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2042959 = 3116569
BaseRepresentation
bin111110010110001001111
310211210102011
413302301033
51010333314
6111442051
723236102
oct7626117
93753364
102042959
1111759a6
12826327
13566b69
143b2739
152a54c4
hex1f2c4f

2042959 has 4 divisors (see below), whose sum is σ = 2049840. Its totient is φ = 2036080.

The previous prime is 2042933. The next prime is 2042969. The reversal of 2042959 is 9592402.

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 2042959 - 215 = 2010191 is a prime.

It is a Smith number, since the sum of its digits (31) 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 self number, because there is not a number n which added to its sum of digits gives 2042959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042969) 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, 2974 + ... + 3595.

It is an arithmetic number, because the mean of its divisors is an integer number (512460).

22042959 is an apocalyptic number.

2042959 is a deficient number, since it is larger than the sum of its proper divisors (6881).

2042959 is an equidigital number, since it uses as much as digits as its factorization.

2042959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6880.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 2042959 is about 1429.3211675477. The cubic root of 2042959 is about 126.8878046886.

It can be divided in two parts, 204295 and 9, that added together give a square (204304 = 4522).

The spelling of 2042959 in words is "two million, forty-two thousand, nine hundred fifty-nine".

Divisors: 1 311 6569 2042959