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2642085 = 33519571
BaseRepresentation
bin1010000101000010100101
311222020021000
422011002211
51134021320
6132343513
731312605
oct12050245
94866230
102642085
111545046
12a74b99
13716784
144cac05
15372c90
hex2850a5

2642085 has 16 divisors (see below), whose sum is σ = 4697280. Its totient is φ = 1409040.

The previous prime is 2642077. The next prime is 2642111. The reversal of 2642085 is 5802462.

It is not a de Polignac number, because 2642085 - 23 = 2642077 is a prime.

It is a super-2 number, since 2×26420852 = 13961226294450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9651 + ... + 9920.

It is an arithmetic number, because the mean of its divisors is an integer number (293580).

22642085 is an apocalyptic number.

It is an amenable number.

2642085 is a deficient number, since it is larger than the sum of its proper divisors (2055195).

2642085 is a wasteful number, since it uses less digits than its factorization.

2642085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19585 (or 19579 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 2642085 is about 1625.4491686915. The cubic root of 2642085 is about 138.2448394513.

The spelling of 2642085 in words is "two million, six hundred forty-two thousand, eighty-five".

Divisors: 1 3 5 9 15 27 45 135 19571 58713 97855 176139 293565 528417 880695 2642085