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2045071 = 7463631
BaseRepresentation
bin111110011010010001111
310211220022101
413303102033
51010420241
6111455531
723245210
oct7632217
93756271
102045071
111177546
128275a7
13567b02
143b3407
152a5e31
hex1f348f

2045071 has 8 divisors (see below), whose sum is σ = 2345984. Its totient is φ = 1746360.

The previous prime is 2045053. The next prime is 2045077. The reversal of 2045071 is 1705402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2045071 - 27 = 2044943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045077) 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 7 ways as a sum of consecutive naturals, for example, 2926 + ... + 3556.

It is an arithmetic number, because the mean of its divisors is an integer number (293248).

22045071 is an apocalyptic number.

2045071 is a deficient number, since it is larger than the sum of its proper divisors (300913).

2045071 is an equidigital number, since it uses as much as digits as its factorization.

2045071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 2045071 is about 1430.0597889599. The cubic root of 2045071 is about 126.9315149390.

The spelling of 2045071 in words is "two million, forty-five thousand, seventy-one".

Divisors: 1 7 463 631 3241 4417 292153 2045071