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64227427 = 1147124231
BaseRepresentation
bin1111010100000…
…0100001100011
311110212002110121
43311000201203
5112420234202
610212341111
71406631655
oct365004143
9143762417
1064227427
1133289020
1219614797
13103ca1c4
14875c6d5
15598a537
hex3d40863

64227427 has 8 divisors (see below), whose sum is σ = 71557632. Its totient is φ = 57145800.

The previous prime is 64227419. The next prime is 64227481. The reversal of 64227427 is 72472246.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64227427 - 23 = 64227419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64227392 and 64227401.

It is not an unprimeable number, because it can be changed into a prime (64227407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61599 + ... + 62632.

It is an arithmetic number, because the mean of its divisors is an integer number (8944704).

Almost surely, 264227427 is an apocalyptic number.

64227427 is a deficient number, since it is larger than the sum of its proper divisors (7330205).

64227427 is a wasteful number, since it uses less digits than its factorization.

64227427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124289.

The product of its digits is 37632, while the sum is 34.

The square root of 64227427 is about 8014.2015821915. The cubic root of 64227427 is about 400.4732461245.

The spelling of 64227427 in words is "sixty-four million, two hundred twenty-seven thousand, four hundred twenty-seven".

Divisors: 1 11 47 517 124231 1366541 5838857 64227427