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64233345 = 3511715483
BaseRepresentation
bin1111010100000…
…1111110000001
311110212101120210
43311001332001
5112420431340
610212424333
71406655141
oct365017601
9143771523
1064233345
1133292510
12196180a9
13103ccac7
148760921
15598c180
hex3d41f81

64233345 has 32 divisors (see below), whose sum is σ = 113716224. Its totient is φ = 30699200.

The previous prime is 64233341. The next prime is 64233353. The reversal of 64233345 is 54333246.

64233345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 64233345 - 22 = 64233341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64233341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8974 + ... + 14456.

It is an arithmetic number, because the mean of its divisors is an integer number (3553632).

Almost surely, 264233345 is an apocalyptic number.

It is an amenable number.

64233345 is a deficient number, since it is larger than the sum of its proper divisors (49482879).

64233345 is a wasteful number, since it uses less digits than its factorization.

64233345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5573.

The product of its digits is 25920, while the sum is 30.

The square root of 64233345 is about 8014.5707932490. The cubic root of 64233345 is about 400.4855457914.

Subtracting from 64233345 its reverse (54333246), we obtain a palindrome (9900099).

The spelling of 64233345 in words is "sixty-four million, two hundred thirty-three thousand, three hundred forty-five".

Divisors: 1 3 5 11 15 33 55 71 165 213 355 781 1065 2343 3905 5483 11715 16449 27415 60313 82245 180939 301565 389293 904695 1167879 1946465 4282223 5839395 12846669 21411115 64233345