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64948417 is a prime number
BaseRepresentation
bin1111011111000…
…0100011000001
311112012201110221
43313300203001
5113111322132
610240023041
71416023662
oct367604301
9145181427
1064948417
1133730786
1219901a81
13105c0421
1488a9369
155a7de97
hex3df08c1

64948417 has 2 divisors, whose sum is σ = 64948418. Its totient is φ = 64948416.

The previous prime is 64948397. The next prime is 64948421. The reversal of 64948417 is 71484946.

64948417 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40653376 + 24295041 = 6376^2 + 4929^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-64948417 is a prime.

It is not a weakly prime, because it can be changed into another prime (64948717) 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, 32474208 + 32474209.

It is an arithmetic number, because the mean of its divisors is an integer number (32474209).

Almost surely, 264948417 is an apocalyptic number.

It is an amenable number.

64948417 is a deficient number, since it is larger than the sum of its proper divisors (1).

64948417 is an equidigital number, since it uses as much as digits as its factorization.

64948417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 43.

The square root of 64948417 is about 8059.0580715118. The cubic root of 64948417 is about 401.9661881746.

The spelling of 64948417 in words is "sixty-four million, nine hundred forty-eight thousand, four hundred seventeen".