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2032681 = 7290383
BaseRepresentation
bin111110000010000101001
310211021022111
413300100221
51010021211
6111322321
723164120
oct7602051
93737274
102032681
111169202
128203a1
13562291
143acab7
152a2421
hex1f0429

2032681 has 4 divisors (see below), whose sum is σ = 2323072. Its totient is φ = 1742292.

The previous prime is 2032663. The next prime is 2032687. The reversal of 2032681 is 1862302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2032681 - 25 = 2032649 is a prime.

It is a super-2 number, since 2×20326812 = 8263584095522, which contains 22 as substring.

It is a Duffinian number.

2032681 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2032687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145185 + ... + 145198.

It is an arithmetic number, because the mean of its divisors is an integer number (580768).

22032681 is an apocalyptic number.

It is an amenable number.

2032681 is a deficient number, since it is larger than the sum of its proper divisors (290391).

2032681 is an equidigital number, since it uses as much as digits as its factorization.

2032681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290390.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 2032681 is about 1425.7212209966. The cubic root of 2032681 is about 126.6746586216.

Adding to 2032681 its reverse (1862302), we get a palindrome (3894983).

The spelling of 2032681 in words is "two million, thirty-two thousand, six hundred eighty-one".

Divisors: 1 7 290383 2032681