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64413227 = 97166337
BaseRepresentation
bin1111010110110…
…1111000101011
311111012112100002
43311231320223
5112442210402
610220333215
71411334444
oct365557053
9144175302
1064413227
11333a567a
12196a420b
1310463948
1487aa2cb
1559c5602
hex3d6de2b

64413227 has 4 divisors (see below), whose sum is σ = 64480536. Its totient is φ = 64345920.

The previous prime is 64413163. The next prime is 64413241. The reversal of 64413227 is 72231446.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64413227 - 26 = 64413163 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64413227.

It is not an unprimeable number, because it can be changed into a prime (64413247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32198 + ... + 34139.

It is an arithmetic number, because the mean of its divisors is an integer number (16120134).

Almost surely, 264413227 is an apocalyptic number.

64413227 is a deficient number, since it is larger than the sum of its proper divisors (67309).

64413227 is an equidigital number, since it uses as much as digits as its factorization.

64413227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67308.

The product of its digits is 8064, while the sum is 29.

The square root of 64413227 is about 8025.7851329325. The cubic root of 64413227 is about 400.8590433738.

The spelling of 64413227 in words is "sixty-four million, four hundred thirteen thousand, two hundred twenty-seven".

Divisors: 1 971 66337 64413227