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2042619 = 3680873
BaseRepresentation
bin111110010101011111011
310211202221120
413302223323
51010330434
6111440323
723235105
oct7625373
93752846
102042619
111175717
128260a3
13566967
143b2575
152a5349
hex1f2afb

2042619 has 4 divisors (see below), whose sum is σ = 2723496. Its totient is φ = 1361744.

The previous prime is 2042609. The next prime is 2042627. The reversal of 2042619 is 9162402.

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 2042619 - 24 = 2042603 is a prime.

It is a super-2 number, since 2×20426192 = 8344584758322, which contains 22 as substring.

It is a D-number.

2042619 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2042609) 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, 340434 + ... + 340439.

It is an arithmetic number, because the mean of its divisors is an integer number (680874).

22042619 is an apocalyptic number.

2042619 is a deficient number, since it is larger than the sum of its proper divisors (680877).

2042619 is an equidigital number, since it uses as much as digits as its factorization.

2042619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680876.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 2042619 is about 1429.2022250193. The cubic root of 2042619 is about 126.8807651857.

The spelling of 2042619 in words is "two million, forty-two thousand, six hundred nineteen".

Divisors: 1 3 680873 2042619