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2119142 = 21059571
BaseRepresentation
bin1000000101010111100110
310222122220202
420011113212
51020303032
6113230502
724004154
oct10052746
93878822
102119142
111218163
12862432
1359273c
143d23d4
152bcd62
hex2055e6

2119142 has 4 divisors (see below), whose sum is σ = 3178716. Its totient is φ = 1059570.

The previous prime is 2119121. The next prime is 2119147. The reversal of 2119142 is 2419112.

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

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 polite number, since it can be written as a sum of consecutive naturals, namely, 529784 + ... + 529787.

It is an arithmetic number, because the mean of its divisors is an integer number (794679).

22119142 is an apocalyptic number.

2119142 is a deficient number, since it is larger than the sum of its proper divisors (1059574).

2119142 is a wasteful number, since it uses less digits than its factorization.

2119142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059573.

The product of its digits is 144, while the sum is 20.

The square root of 2119142 is about 1455.7273096291. The cubic root of 2119142 is about 128.4458330245.

The spelling of 2119142 in words is "two million, one hundred nineteen thousand, one hundred forty-two".

Divisors: 1 2 1059571 2119142