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23400413 is a prime number
BaseRepresentation
bin101100101000…
…0111111011101
31122000212022222
41121100333131
521442303123
62153315125
7402620531
oct131207735
948025288
1023400413
1112233093
127a05aa5
134b040ca
143171bc1
1520c36c8
hex1650fdd

23400413 has 2 divisors, whose sum is σ = 23400414. Its totient is φ = 23400412.

The previous prime is 23400397. The next prime is 23400427. The reversal of 23400413 is 31400432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23396569 + 3844 = 4837^2 + 62^2 .

It is a cyclic number.

It is not a de Polignac number, because 23400413 - 24 = 23400397 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23400391 and 23400400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23400473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11700206 + 11700207.

It is an arithmetic number, because the mean of its divisors is an integer number (11700207).

Almost surely, 223400413 is an apocalyptic number.

It is an amenable number.

23400413 is a deficient number, since it is larger than the sum of its proper divisors (1).

23400413 is an equidigital number, since it uses as much as digits as its factorization.

23400413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 23400413 is about 4837.3973374119. The cubic root of 23400413 is about 286.0275333331.

Adding to 23400413 its reverse (31400432), we get a palindrome (54800845).

The spelling of 23400413 in words is "twenty-three million, four hundred thousand, four hundred thirteen".