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64227418 = 234919199
BaseRepresentation
bin1111010100000…
…0100001011010
311110212002110021
43311000201122
5112420234133
610212341054
71406631643
oct365004132
9143762407
1064227418
1133289012
121961478a
13103ca1b8
14875c6ca
15598a52d
hex3d4085a

64227418 has 8 divisors (see below), whose sum is σ = 96379200. Its totient is φ = 32101020.

The previous prime is 64227413. The next prime is 64227419. The reversal of 64227418 is 81472246.

It is a happy number.

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

It is a super-2 number, since 2×642274182 = 8250322445893448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64227413) 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 3 ways as a sum of consecutive naturals, for example, 2383 + ... + 11581.

It is an arithmetic number, because the mean of its divisors is an integer number (12047400).

Almost surely, 264227418 is an apocalyptic number.

64227418 is a deficient number, since it is larger than the sum of its proper divisors (32151782).

64227418 is a wasteful number, since it uses less digits than its factorization.

64227418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12692.

The product of its digits is 21504, while the sum is 34.

The square root of 64227418 is about 8014.2010206882. The cubic root of 64227418 is about 400.4732274187.

The spelling of 64227418 in words is "sixty-four million, two hundred twenty-seven thousand, four hundred eighteen".

Divisors: 1 2 3491 6982 9199 18398 32113709 64227418