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2068723 = 3166733
BaseRepresentation
bin111111001000011110011
310220002202101
413321003303
51012144343
6112201231
723404156
oct7710363
93802671
102068723
111193298
12839217
135757c7
143bbc9d
152ace4d
hex1f90f3

2068723 has 4 divisors (see below), whose sum is σ = 2135488. Its totient is φ = 2001960.

The previous prime is 2068709. The next prime is 2068741. The reversal of 2068723 is 3278602.

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

It is a cyclic number.

It is not a de Polignac number, because 2068723 - 29 = 2068211 is a prime.

It is a super-2 number, since 2×20687232 = 8559229701458, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2068691 and 2068700.

It is not an unprimeable number, because it can be changed into a prime (2068753) 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, 33336 + ... + 33397.

It is an arithmetic number, because the mean of its divisors is an integer number (533872).

22068723 is an apocalyptic number.

2068723 is a deficient number, since it is larger than the sum of its proper divisors (66765).

2068723 is an equidigital number, since it uses as much as digits as its factorization.

2068723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66764.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 2068723 is about 1438.3056003506. The cubic root of 2068723 is about 127.4189771017.

The spelling of 2068723 in words is "two million, sixty-eight thousand, seven hundred twenty-three".

Divisors: 1 31 66733 2068723