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5781071 = 17340063
BaseRepresentation
bin10110000011011001001111
3101212201010202
4112003121033
52434443241
6323524115
7100065302
oct26033117
911781122
105781071
11329944a
121b2963b
13127546a
14aa6b39
15792d9b
hex58364f

5781071 has 4 divisors (see below), whose sum is σ = 6121152. Its totient is φ = 5440992.

The previous prime is 5781067. The next prime is 5781077. The reversal of 5781071 is 1701875.

5781071 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 5781071 - 22 = 5781067 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 (5781077) 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, 170015 + ... + 170048.

It is an arithmetic number, because the mean of its divisors is an integer number (1530288).

Almost surely, 25781071 is an apocalyptic number.

5781071 is a deficient number, since it is larger than the sum of its proper divisors (340081).

5781071 is a wasteful number, since it uses less digits than its factorization.

5781071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340080.

The product of its (nonzero) digits is 1960, while the sum is 29.

The square root of 5781071 is about 2404.3857843533. The cubic root of 5781071 is about 179.4745064572.

The spelling of 5781071 in words is "five million, seven hundred eighty-one thousand, seventy-one".

Divisors: 1 17 340063 5781071