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23704129 is a prime number
BaseRepresentation
bin101101001101…
…1001001000001
31122121021221201
41122123021001
522032013004
62204021201
7405324151
oct132331101
948537851
1023704129
1112420299
127b31801
134bac417
143210761
1521336a4
hex169b241

23704129 has 2 divisors, whose sum is σ = 23704130. Its totient is φ = 23704128.

The previous prime is 23704127. The next prime is 23704183. The reversal of 23704129 is 92140732.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22657600 + 1046529 = 4760^2 + 1023^2 .

It is a cyclic number.

It is not a de Polignac number, because 23704129 - 21 = 23704127 is a prime.

Together with 23704127, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 23704097 and 23704106.

It is not a weakly prime, because it can be changed into another prime (23704127) 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 as a sum of consecutive naturals, namely, 11852064 + 11852065.

It is an arithmetic number, because the mean of its divisors is an integer number (11852065).

Almost surely, 223704129 is an apocalyptic number.

It is an amenable number.

23704129 is a deficient number, since it is larger than the sum of its proper divisors (1).

23704129 is an equidigital number, since it uses as much as digits as its factorization.

23704129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 23704129 is about 4868.6886324759. The cubic root of 23704129 is about 287.2596766727.

The spelling of 23704129 in words is "twenty-three million, seven hundred four thousand, one hundred twenty-nine".