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2119049 = 9292281
BaseRepresentation
bin1000000101010110001001
310222122210022
420011112021
51020302144
6113230225
724003662
oct10052611
93878708
102119049
111218089
12862375
1359269a
143d2369
152bccee
hex205589

2119049 has 4 divisors (see below), whose sum is σ = 2122260. Its totient is φ = 2115840.

The previous prime is 2119031. The next prime is 2119057. The reversal of 2119049 is 9409112.

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

It can be written as a sum of positive squares in 2 ways, for example, as 511225 + 1607824 = 715^2 + 1268^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2119049 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115049) 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, 212 + ... + 2069.

It is an arithmetic number, because the mean of its divisors is an integer number (530565).

22119049 is an apocalyptic number.

It is an amenable number.

2119049 is a deficient number, since it is larger than the sum of its proper divisors (3211).

2119049 is an equidigital number, since it uses as much as digits as its factorization.

2119049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3210.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 2119049 is about 1455.6953664830. The cubic root of 2119049 is about 128.4439540192.

The spelling of 2119049 in words is "two million, one hundred nineteen thousand, forty-nine".

Divisors: 1 929 2281 2119049