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64122343 = 145344131
BaseRepresentation
bin1111010010011…
…0110111100111
311110122202022121
43310212313213
5112403403333
610210210411
71406013415
oct364466747
9143582277
1064122343
113321707a
1219583a07
131039141c
1487322b5
15596932d
hex3d26de7

64122343 has 4 divisors (see below), whose sum is σ = 64167928. Its totient is φ = 64076760.

The previous prime is 64122323. The next prime is 64122347. The reversal of 64122343 is 34322146.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64122343 - 29 = 64121831 is a prime.

It is a super-2 number, since 2×641223432 = 8223349743619298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64122347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20613 + ... + 23518.

It is an arithmetic number, because the mean of its divisors is an integer number (16041982).

Almost surely, 264122343 is an apocalyptic number.

64122343 is a deficient number, since it is larger than the sum of its proper divisors (45585).

64122343 is a wasteful number, since it uses less digits than its factorization.

64122343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45584.

The product of its digits is 3456, while the sum is 25.

The square root of 64122343 is about 8007.6427867382. The cubic root of 64122343 is about 400.2547190111.

Adding to 64122343 its reverse (34322146), we get a palindrome (98444489).

The spelling of 64122343 in words is "sixty-four million, one hundred twenty-two thousand, three hundred forty-three".

Divisors: 1 1453 44131 64122343