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4285891 = 31113781
BaseRepresentation
bin10000010110010111000011
322001202010201
4100112113003
52044122031
6231510031
751300211
oct20262703
98052121
104285891
112468065
121528317
13b70a3c
147d7cb1
15599d61
hex4165c3

4285891 has 4 divisors (see below), whose sum is σ = 4299984. Its totient is φ = 4271800.

The previous prime is 4285861. The next prime is 4285901. The reversal of 4285891 is 1985824.

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 4285891 - 25 = 4285859 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4285891.

It is not an unprimeable number, because it can be changed into a prime (4285861) 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, 6580 + ... + 7201.

It is an arithmetic number, because the mean of its divisors is an integer number (1074996).

Almost surely, 24285891 is an apocalyptic number.

4285891 is a deficient number, since it is larger than the sum of its proper divisors (14093).

4285891 is a wasteful number, since it uses less digits than its factorization.

4285891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14092.

The product of its digits is 23040, while the sum is 37.

The square root of 4285891 is about 2070.2393581420. The cubic root of 4285891 is about 162.4352846843.

The spelling of 4285891 in words is "four million, two hundred eighty-five thousand, eight hundred ninety-one".

Divisors: 1 311 13781 4285891