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64470701 is a prime number
BaseRepresentation
bin1111010111101…
…1111010101101
311111022110011202
43311323322231
5113001030301
610221455245
71411664141
oct365737255
9144273152
1064470701
1133434879
1219711525
1310483b59
1487c3221
1559d766b
hex3d7bead

64470701 has 2 divisors, whose sum is σ = 64470702. Its totient is φ = 64470700.

The previous prime is 64470691. The next prime is 64470709. The reversal of 64470701 is 10707446.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62425801 + 2044900 = 7901^2 + 1430^2 .

It is a cyclic number.

It is not a de Polignac number, because 64470701 - 214 = 64454317 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64470709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32235350 + 32235351.

It is an arithmetic number, because the mean of its divisors is an integer number (32235351).

Almost surely, 264470701 is an apocalyptic number.

It is an amenable number.

64470701 is a deficient number, since it is larger than the sum of its proper divisors (1).

64470701 is an equidigital number, since it uses as much as digits as its factorization.

64470701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 64470701 is about 8029.3649188463. The cubic root of 64470701 is about 400.9782327847.

The spelling of 64470701 in words is "sixty-four million, four hundred seventy thousand, seven hundred one".