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2317129 = 2979901
BaseRepresentation
bin1000110101101101001001
311100201111121
420311231021
51043122004
6121355241
725460323
oct10655511
94321447
102317129
111342991
12938b21
136318a9
14444613
1530b854
hex235b49

2317129 has 4 divisors (see below), whose sum is σ = 2397060. Its totient is φ = 2237200.

The previous prime is 2317127. The next prime is 2317153. The reversal of 2317129 is 9217132.

2317129 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 can be written as a sum of positive squares in 2 ways, for example, as 990025 + 1327104 = 995^2 + 1152^2 .

It is a cyclic number.

It is not a de Polignac number, because 2317129 - 21 = 2317127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2317121) 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, 39922 + ... + 39979.

It is an arithmetic number, because the mean of its divisors is an integer number (599265).

22317129 is an apocalyptic number.

2317129 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2317129 is a deficient number, since it is larger than the sum of its proper divisors (79931).

2317129 is an equidigital number, since it uses as much as digits as its factorization.

2317129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79930.

The product of its digits is 756, while the sum is 25.

The square root of 2317129 is about 1522.2118774993. The cubic root of 2317129 is about 132.3274887953.

The spelling of 2317129 in words is "two million, three hundred seventeen thousand, one hundred twenty-nine".

Divisors: 1 29 79901 2317129