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2119149 = 3378487
BaseRepresentation
bin1000000101010111101101
310222122221000
420011113231
51020303044
6113230513
724004164
oct10052755
93878830
102119149
11121816a
12862439
13592746
143d23db
152bcd69
hex2055ed

2119149 has 8 divisors (see below), whose sum is σ = 3139520. Its totient is φ = 1412748.

The previous prime is 2119147. The next prime is 2119157. The reversal of 2119149 is 9419112.

2119149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2119149 - 21 = 2119147 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 78487 = 2119149 / (2 + 1 + 1 + 9 + 1 + 4 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2119147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39217 + ... + 39270.

It is an arithmetic number, because the mean of its divisors is an integer number (392440).

22119149 is an apocalyptic number.

It is an amenable number.

2119149 is a deficient number, since it is larger than the sum of its proper divisors (1020371).

2119149 is an equidigital number, since it uses as much as digits as its factorization.

2119149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78496 (or 78490 counting only the distinct ones).

The product of its digits is 648, while the sum is 27.

The square root of 2119149 is about 1455.7297139236. The cubic root of 2119149 is about 128.4459744528.

2119149 divided by its sum of digits (27) gives a palindrome (78487).

The spelling of 2119149 in words is "two million, one hundred nineteen thousand, one hundred forty-nine".

Divisors: 1 3 9 27 78487 235461 706383 2119149