Search a number
-
+
2281235 = 511193759
BaseRepresentation
bin1000101100111100010011
311021220021012
420230330103
51040444420
6120521135
725250555
oct10547423
94256235
102281235
111318a20
129201ab
1361b458
144354d5
15300dc5
hex22cf13

2281235 has 32 divisors (see below), whose sum is σ = 3283200. Its totient is φ = 1503360.

The previous prime is 2281231. The next prime is 2281243. The reversal of 2281235 is 5321822.

2281235 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2281235 - 22 = 2281231 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2281235.

It is not an unprimeable number, because it can be changed into a prime (2281231) 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 31 ways as a sum of consecutive naturals, for example, 38636 + ... + 38694.

It is an arithmetic number, because the mean of its divisors is an integer number (102600).

22281235 is an apocalyptic number.

2281235 is a deficient number, since it is larger than the sum of its proper divisors (1001965).

2281235 is a wasteful number, since it uses less digits than its factorization.

2281235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131.

The product of its digits is 960, while the sum is 23.

The square root of 2281235 is about 1510.3757810558. The cubic root of 2281235 is about 131.6406471756.

The spelling of 2281235 in words is "two million, two hundred eighty-one thousand, two hundred thirty-five".

Divisors: 1 5 11 19 37 55 59 95 185 209 295 407 649 703 1045 1121 2035 2183 3245 3515 5605 7733 10915 12331 24013 38665 41477 61655 120065 207385 456247 2281235