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115403401 is a prime number
BaseRepresentation
bin1101110000011…
…10101010001001
322001011002201001
412320032222021
5214020402101
615241255001
72600625031
oct670165211
9261132631
10115403401
115a162313
1232794461
131aba7949
14114808c1
15a1e8901
hex6e0ea89

115403401 has 2 divisors, whose sum is σ = 115403402. Its totient is φ = 115403400.

The previous prime is 115403381. The next prime is 115403417. The reversal of 115403401 is 104304511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69705801 + 45697600 = 8349^2 + 6760^2 .

It is a cyclic number.

It is not a de Polignac number, because 115403401 - 25 = 115403369 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (115403201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57701700 + 57701701.

It is an arithmetic number, because the mean of its divisors is an integer number (57701701).

Almost surely, 2115403401 is an apocalyptic number.

It is an amenable number.

115403401 is a deficient number, since it is larger than the sum of its proper divisors (1).

115403401 is an equidigital number, since it uses as much as digits as its factorization.

115403401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 115403401 is about 10742.5974978122. The cubic root of 115403401 is about 486.8623630203.

Adding to 115403401 its reverse (104304511), we get a palindrome (219707912).

It can be divided in two parts, 11540 and 3401, that added together give a palindrome (14941).

The spelling of 115403401 in words is "one hundred fifteen million, four hundred three thousand, four hundred one".