Search a number
-
+
64227429 = 3271953657
BaseRepresentation
bin1111010100000…
…0100001100101
311110212002110200
43311000201211
5112420234204
610212341113
71406631660
oct365004145
9143762420
1064227429
1133289022
1219614799
13103ca1c6
14875c6d7
15598a539
hex3d40865

64227429 has 24 divisors (see below), whose sum is σ = 111608640. Its totient is φ = 34769088.

The previous prime is 64227419. The next prime is 64227481. The reversal of 64227429 is 92472246.

64227429 is a `hidden beast` number, since 6 + 4 + 227 + 429 = 666.

It is not a de Polignac number, because 64227429 - 24 = 64227413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64227393 and 64227402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64227419) 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 23 ways as a sum of consecutive naturals, for example, 25632 + ... + 28025.

It is an arithmetic number, because the mean of its divisors is an integer number (4650360).

Almost surely, 264227429 is an apocalyptic number.

It is an amenable number.

64227429 is a deficient number, since it is larger than the sum of its proper divisors (47381211).

64227429 is a wasteful number, since it uses less digits than its factorization.

64227429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53689 (or 53686 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 64227429 is about 8014.2017069699. The cubic root of 64227429 is about 400.4732502813.

The spelling of 64227429 in words is "sixty-four million, two hundred twenty-seven thousand, four hundred twenty-nine".

Divisors: 1 3 7 9 19 21 57 63 133 171 399 1197 53657 160971 375599 482913 1019483 1126797 3058449 3380391 7136381 9175347 21409143 64227429