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64422201 = 321474067
BaseRepresentation
bin1111010111000…
…0000100111001
311111012222122110
43311300010321
5112443002301
610220442533
71411402554
oct365600471
9144188573
1064422201
1133401398
12196a9449
1310467a5c
1487ad69b
1559c80d6
hex3d70139

64422201 has 4 divisors (see below), whose sum is σ = 85896272. Its totient is φ = 42948132.

The previous prime is 64422157. The next prime is 64422221. The reversal of 64422201 is 10222446.

64422201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 64422201 - 27 = 64422073 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (64422221) 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 in 3 ways as a sum of consecutive naturals, for example, 10737031 + ... + 10737036.

It is an arithmetic number, because the mean of its divisors is an integer number (21474068).

Almost surely, 264422201 is an apocalyptic number.

It is an amenable number.

64422201 is a deficient number, since it is larger than the sum of its proper divisors (21474071).

64422201 is a wasteful number, since it uses less digits than its factorization.

64422201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21474070.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 64422201 is about 8026.3441864899. The cubic root of 64422201 is about 400.8776582980.

Adding to 64422201 its reverse (10222446), we get a palindrome (74644647).

The spelling of 64422201 in words is "sixty-four million, four hundred twenty-two thousand, two hundred one".

Divisors: 1 3 21474067 64422201