Search a number
-
+
64340059 = 79191437
BaseRepresentation
bin1111010101110…
…0000001011011
311111001210222011
43311130001123
5112432340214
610215010351
71410611230
oct365340133
9144053864
1064340059
1133355703
12196699b7
1310439554
14878b787
1559adac4
hex3d5c05b

64340059 has 4 divisors (see below), whose sum is σ = 73531504. Its totient is φ = 55148616.

The previous prime is 64340051. The next prime is 64340071. The reversal of 64340059 is 95004346.

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 64340059 - 23 = 64340051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64340059.

It is not an unprimeable number, because it can be changed into a prime (64340051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4595712 + ... + 4595725.

It is an arithmetic number, because the mean of its divisors is an integer number (18382876).

Almost surely, 264340059 is an apocalyptic number.

64340059 is a deficient number, since it is larger than the sum of its proper divisors (9191445).

64340059 is an equidigital number, since it uses as much as digits as its factorization.

64340059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9191444.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 64340059 is about 8021.2255298053. The cubic root of 64340059 is about 400.7072051653.

The spelling of 64340059 in words is "sixty-four million, three hundred forty thousand, fifty-nine".

Divisors: 1 7 9191437 64340059