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4286889 = 323731277
BaseRepresentation
bin10000010110100110101001
322001210111200
4100112212221
52044140024
6231514413
751303135
oct20264651
98053450
104286889
112468892
121528a09
13b71329
147d83c5
1559a2c9
hex4169a9

4286889 has 12 divisors (see below), whose sum is σ = 6213636. Its totient is φ = 2848032.

The previous prime is 4286851. The next prime is 4286903. The reversal of 4286889 is 9886824.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2576025 + 1710864 = 1605^2 + 1308^2 .

It is not a de Polignac number, because 4286889 - 213 = 4278697 is a prime.

It is a d-powerful number, because it can be written as 411 + 25 + 8 + 63 + 83 + 85 + 95 .

It is not an unprimeable number, because it can be changed into a prime (4286089) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2719 + ... + 3995.

It is an arithmetic number, because the mean of its divisors is an integer number (517803).

Almost surely, 24286889 is an apocalyptic number.

It is an amenable number.

4286889 is a deficient number, since it is larger than the sum of its proper divisors (1926747).

4286889 is a wasteful number, since it uses less digits than its factorization.

4286889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1656 (or 1653 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 4286889 is about 2070.4803790425. The cubic root of 4286889 is about 162.4478917737.

It can be divided in two parts, 428 and 6889, that multiplied together give a palindrome (2948492).

The spelling of 4286889 in words is "four million, two hundred eighty-six thousand, eight hundred eighty-nine".

Divisors: 1 3 9 373 1119 1277 3357 3831 11493 476321 1428963 4286889