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2119144 = 23264893
BaseRepresentation
bin1000000101010111101000
310222122220211
420011113220
51020303034
6113230504
724004156
oct10052750
93878824
102119144
111218165
12862434
13592741
143d23d6
152bcd64
hex2055e8

2119144 has 8 divisors (see below), whose sum is σ = 3973410. Its totient is φ = 1059568.

The previous prime is 2119121. The next prime is 2119147. The reversal of 2119144 is 4419112.

It can be written as a sum of positive squares in only one way, i.e., 1988100 + 131044 = 1410^2 + 362^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132439 + ... + 132454.

22119144 is an apocalyptic number.

It is an amenable number.

2119144 is a deficient number, since it is larger than the sum of its proper divisors (1854266).

2119144 is a wasteful number, since it uses less digits than its factorization.

2119144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264899 (or 264895 counting only the distinct ones).

The product of its digits is 288, while the sum is 22.

The square root of 2119144 is about 1455.7279965708. The cubic root of 2119144 is about 128.4458734327.

Subtracting 2119144 from its reverse (4419112), we obtain a cube (2299968 = 1323).

The spelling of 2119144 in words is "two million, one hundred nineteen thousand, one hundred forty-four".

Divisors: 1 2 4 8 264893 529786 1059572 2119144