Search a number
-
+
146280361 is a prime number
BaseRepresentation
bin10001011100000…
…00111110101001
3101012020210221011
420232000332221
5244421432421
622303143521
73424235233
oct1056007651
9335223834
10146280361
1175631667
1240ba4ba1
13243c8b36
14155db253
15cc974e1
hex8b80fa9

146280361 has 2 divisors, whose sum is σ = 146280362. Its totient is φ = 146280360.

The previous prime is 146280341. The next prime is 146280401. The reversal of 146280361 is 163082641.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104755225 + 41525136 = 10235^2 + 6444^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-146280361 is a prime.

It is not a weakly prime, because it can be changed into another prime (146280301) 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 as a sum of consecutive naturals, namely, 73140180 + 73140181.

It is an arithmetic number, because the mean of its divisors is an integer number (73140181).

Almost surely, 2146280361 is an apocalyptic number.

It is an amenable number.

146280361 is a deficient number, since it is larger than the sum of its proper divisors (1).

146280361 is an equidigital number, since it uses as much as digits as its factorization.

146280361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 146280361 is about 12094.6418301660. The cubic root of 146280361 is about 526.9005773890.

It can be divided in two parts, 146280 and 361, that added together give a palindrome (146641).

The spelling of 146280361 in words is "one hundred forty-six million, two hundred eighty thousand, three hundred sixty-one".