Search a number
-
+
768148867 = 3313231859
BaseRepresentation
bin101101110010010…
…000010110000011
31222112102000011001
4231302100112003
53033121230432
6204120032431
725015105033
oct5562202603
91875360131
10768148867
11364666682
12195302717
13c31b0475
14740378c3
15476849e7
hex2dc90583

768148867 has 4 divisors (see below), whose sum is σ = 768384040. Its totient is φ = 767913696.

The previous prime is 768148847. The next prime is 768148879. The reversal of 768148867 is 768841867.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 768841867 = 5471405561.

It is a cyclic number.

It is not a de Polignac number, because 768148867 - 223 = 759760259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (768148847) 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 3 ways as a sum of consecutive naturals, for example, 112617 + ... + 119242.

It is an arithmetic number, because the mean of its divisors is an integer number (192096010).

Almost surely, 2768148867 is an apocalyptic number.

768148867 is a deficient number, since it is larger than the sum of its proper divisors (235173).

768148867 is a wasteful number, since it uses less digits than its factorization.

768148867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235172.

The product of its digits is 3612672, while the sum is 55.

The square root of 768148867 is about 27715.4986785372. The cubic root of 768148867 is about 915.8305604197.

The spelling of 768148867 in words is "seven hundred sixty-eight million, one hundred forty-eight thousand, eight hundred sixty-seven".

Divisors: 1 3313 231859 768148867