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2075988 = 223172999
BaseRepresentation
bin111111010110101010100
310220110201110
413322311110
51012412423
6112255020
723434305
oct7726524
93813643
102075988
1111987a2
12841470
13578bc5
143c07ac
152b0193
hex1fad54

2075988 has 12 divisors (see below), whose sum is σ = 4844000. Its totient is φ = 691992.

The previous prime is 2075987. The next prime is 2075999. The reversal of 2075988 is 8895702.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×20759882 = 8619452352288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2075981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86488 + ... + 86511.

22075988 is an apocalyptic number.

It is an amenable number.

2075988 is an abundant number, since it is smaller than the sum of its proper divisors (2768012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2075988 is a wasteful number, since it uses less digits than its factorization.

2075988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173006 (or 173004 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 2075988 is about 1440.8289280827. The cubic root of 2075988 is about 127.5679606931.

The spelling of 2075988 in words is "two million, seventy-five thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 12 172999 345998 518997 691996 1037994 2075988