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2307131 = 17912889
BaseRepresentation
bin1000110011010000111011
311100012210022
420303100323
51042312011
6121241055
725416221
oct10632073
94305708
102307131
111336422
1293318b
1362a188
14440b11
153088db
hex23343b

2307131 has 4 divisors (see below), whose sum is σ = 2320200. Its totient is φ = 2294064.

The previous prime is 2307127. The next prime is 2307139. The reversal of 2307131 is 1317032.

2307131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2307131 - 22 = 2307127 is a prime.

It is a super-2 number, since 2×23071312 = 10645706902322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2307139) 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, 6266 + ... + 6623.

It is an arithmetic number, because the mean of its divisors is an integer number (580050).

22307131 is an apocalyptic number.

2307131 is a deficient number, since it is larger than the sum of its proper divisors (13069).

2307131 is a wasteful number, since it uses less digits than its factorization.

2307131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13068.

The product of its (nonzero) digits is 126, while the sum is 17.

The square root of 2307131 is about 1518.9242904108. The cubic root of 2307131 is about 132.1368911982.

Subtracting from 2307131 its reverse (1317032), we obtain a palindrome (990099).

The spelling of 2307131 in words is "two million, three hundred seven thousand, one hundred thirty-one".

Divisors: 1 179 12889 2307131