Search a number
-
+
2089256 = 231320089
BaseRepresentation
bin111111110000100101000
310221010220212
413332010220
51013324011
6112440252
723521061
oct7760450
93833825
102089256
1111a7764
12849088
13581c60
143c5568
152b408b
hex1fe128

2089256 has 16 divisors (see below), whose sum is σ = 4218900. Its totient is φ = 964224.

The previous prime is 2089253. The next prime is 2089267. The reversal of 2089256 is 6529802.

It can be written as a sum of positive squares in 2 ways, for example, as 1768900 + 320356 = 1330^2 + 566^2 .

It is not an unprimeable number, because it can be changed into a prime (2089253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9941 + ... + 10148.

22089256 is an apocalyptic number.

2089256 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2089256 is an abundant number, since it is smaller than the sum of its proper divisors (2129644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2089256 is a wasteful number, since it uses less digits than its factorization.

2089256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20108 (or 20104 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 2089256 is about 1445.4258887954. The cubic root of 2089256 is about 127.8391534314.

The spelling of 2089256 in words is "two million, eighty-nine thousand, two hundred fifty-six".

Divisors: 1 2 4 8 13 26 52 104 20089 40178 80356 160712 261157 522314 1044628 2089256