Search a number
-
+
2368081 = 6138821
BaseRepresentation
bin1001000010001001010001
311110022101201
421002021101
51101234311
6122431201
726062012
oct11021121
94408351
102368081
1113781a1
12962501
1364bb41
14459009
1531b9c1
hex242251

2368081 has 4 divisors (see below), whose sum is σ = 2406964. Its totient is φ = 2329200.

The previous prime is 2368043. The next prime is 2368097. The reversal of 2368081 is 1808632.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 625681 + 1742400 = 791^2 + 1320^2 .

It is a cyclic number.

It is not a de Polignac number, because 2368081 - 29 = 2367569 is a prime.

It is a super-2 number, since 2×23680812 = 11215615245122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2368181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19350 + ... + 19471.

It is an arithmetic number, because the mean of its divisors is an integer number (601741).

22368081 is an apocalyptic number.

It is an amenable number.

2368081 is a deficient number, since it is larger than the sum of its proper divisors (38883).

2368081 is an equidigital number, since it uses as much as digits as its factorization.

2368081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38882.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 2368081 is about 1538.8570433929. The cubic root of 2368081 is about 133.2903938119.

The spelling of 2368081 in words is "two million, three hundred sixty-eight thousand, eighty-one".

Divisors: 1 61 38821 2368081