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64246141 is a prime number
BaseRepresentation
bin1111010100010…
…1000101111101
311110220001010201
43311011011331
5112421334031
610213003501
71410040351
oct365050575
9143801121
1064246141
11332a1093
1219623591
131040588b
148765461
155990d61
hex3d4517d

64246141 has 2 divisors, whose sum is σ = 64246142. Its totient is φ = 64246140.

The previous prime is 64246109. The next prime is 64246151. The reversal of 64246141 is 14164246.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43178041 + 21068100 = 6571^2 + 4590^2 .

It is a cyclic number.

It is not a de Polignac number, because 64246141 - 25 = 64246109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64246151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32123070 + 32123071.

It is an arithmetic number, because the mean of its divisors is an integer number (32123071).

Almost surely, 264246141 is an apocalyptic number.

It is an amenable number.

64246141 is a deficient number, since it is larger than the sum of its proper divisors (1).

64246141 is an equidigital number, since it uses as much as digits as its factorization.

64246141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 28.

The square root of 64246141 is about 8015.3690495198. The cubic root of 64246141 is about 400.5121377574.

The spelling of 64246141 in words is "sixty-four million, two hundred forty-six thousand, one hundred forty-one".