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64534341 = 31034572
BaseRepresentation
bin1111011000101…
…1011101000101
311111102200110210
43312023131011
5113010044331
610223110033
71412350524
oct366133505
9144380423
1064534341
1133478673
1219742319
13104a6b01
1487dc4bb
1559eb446
hex3d8b745

64534341 has 12 divisors (see below), whose sum is σ = 87071712. Its totient is φ = 42511968.

The previous prime is 64534339. The next prime is 64534361. The reversal of 64534341 is 14343546.

It is not a de Polignac number, because 64534341 - 21 = 64534339 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 64534299 and 64534308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64534361) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 140985 + ... + 141441.

It is an arithmetic number, because the mean of its divisors is an integer number (7255976).

Almost surely, 264534341 is an apocalyptic number.

It is an amenable number.

64534341 is a deficient number, since it is larger than the sum of its proper divisors (22537371).

64534341 is an equidigital number, since it uses as much as digits as its factorization.

64534341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020 (or 563 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

The square root of 64534341 is about 8033.3268948799. The cubic root of 64534341 is about 401.1101266137.

Adding to 64534341 its reverse (14343546), we get a palindrome (78877887).

The spelling of 64534341 in words is "sixty-four million, five hundred thirty-four thousand, three hundred forty-one".

Divisors: 1 3 103 309 457 1371 47071 141213 208849 626547 21511447 64534341