Search a number
-
+
146868299 = 419350521
BaseRepresentation
bin10001100000100…
…00100001001011
3101020100200102122
420300100201023
5300044241144
622323521455
73432234314
oct1060204113
9336320378
10146868299
11759a3366
124122928b
1324573626
141571160b
15cd617ee
hex8c1084b

146868299 has 4 divisors (see below), whose sum is σ = 147219240. Its totient is φ = 146517360.

The previous prime is 146868289. The next prime is 146868313. The reversal of 146868299 is 992868641.

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: 992868641 = 1508365827.

It is a cyclic number.

It is not a de Polignac number, because 146868299 - 24 = 146868283 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 146868299.

It is not an unprimeable number, because it can be changed into a prime (146868229) 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, 174842 + ... + 175679.

It is an arithmetic number, because the mean of its divisors is an integer number (36804810).

Almost surely, 2146868299 is an apocalyptic number.

146868299 is a deficient number, since it is larger than the sum of its proper divisors (350941).

146868299 is an equidigital number, since it uses as much as digits as its factorization.

146868299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350940.

The product of its digits is 1492992, while the sum is 53.

The square root of 146868299 is about 12118.9231782366. The cubic root of 146868299 is about 527.6055495832.

The spelling of 146868299 in words is "one hundred forty-six million, eight hundred sixty-eight thousand, two hundred ninety-nine".

Divisors: 1 419 350521 146868299