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64045323 = 35263561
BaseRepresentation
bin1111010001010…
…0000100001011
311110111211200000
43310110010023
5112343422243
610204414043
71405243026
oct364240413
9143454600
1064045323
1133174221
1219547323
1310365354
1487121bd
1559515d3
hex3d1410b

64045323 has 12 divisors (see below), whose sum is σ = 95936568. Its totient is φ = 42696720.

The previous prime is 64045277. The next prime is 64045343. The reversal of 64045323 is 32354046.

It is not a de Polignac number, because 64045323 - 26 = 64045259 is a prime.

It is a super-3 number, since 3×640453233 (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (64045343) 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 11 ways as a sum of consecutive naturals, for example, 131538 + ... + 132023.

It is an arithmetic number, because the mean of its divisors is an integer number (7994714).

Almost surely, 264045323 is an apocalyptic number.

64045323 is a deficient number, since it is larger than the sum of its proper divisors (31891245).

64045323 is an equidigital number, since it uses as much as digits as its factorization.

64045323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263576 (or 263564 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 64045323 is about 8002.8321861701. The cubic root of 64045323 is about 400.0944006362.

Adding to 64045323 its reverse (32354046), we get a palindrome (96399369).

The spelling of 64045323 in words is "sixty-four million, forty-five thousand, three hundred twenty-three".

Divisors: 1 3 9 27 81 243 263561 790683 2372049 7116147 21348441 64045323