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64312141 is a prime number
BaseRepresentation
bin1111010101010…
…1001101001101
311111000101200011
43311111031031
5112430442031
610214233221
71410433645
oct365251515
9144011604
1064312141
1133336733
1219655811
131042992a
148781525
1559a56b1
hex3d5534d

64312141 has 2 divisors, whose sum is σ = 64312142. Its totient is φ = 64312140.

The previous prime is 64312123. The next prime is 64312153. The reversal of 64312141 is 14121346.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60996100 + 3316041 = 7810^2 + 1821^2 .

It is a cyclic number.

It is not a de Polignac number, because 64312141 - 215 = 64279373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64312181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32156070 + 32156071.

It is an arithmetic number, because the mean of its divisors is an integer number (32156071).

Almost surely, 264312141 is an apocalyptic number.

It is an amenable number.

64312141 is a deficient number, since it is larger than the sum of its proper divisors (1).

64312141 is an equidigital number, since it uses as much as digits as its factorization.

64312141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 576, while the sum is 22.

The square root of 64312141 is about 8019.4850832207. The cubic root of 64312141 is about 400.6492394004.

Adding to 64312141 its reverse (14121346), we get a palindrome (78433487).

The spelling of 64312141 in words is "sixty-four million, three hundred twelve thousand, one hundred forty-one".