Search a number
-
+
182790331 is a prime number
BaseRepresentation
bin10101110010100…
…10100010111011
3110201221201012021
422321102202323
5333243242311
630045455311
74346456263
oct1271224273
9421851167
10182790331
11941a9099
1251271537
132bb3cc79
141a3c27a3
15110aa171
hexae528bb

182790331 has 2 divisors, whose sum is σ = 182790332. Its totient is φ = 182790330.

The previous prime is 182790329. The next prime is 182790359. The reversal of 182790331 is 133097281.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 182790331 - 21 = 182790329 is a prime.

It is a super-2 number, since 2×1827903312 = 66824610214179122, which contains 22 as substring.

Together with 182790329, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (182790301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 91395165 + 91395166.

It is an arithmetic number, because the mean of its divisors is an integer number (91395166).

Almost surely, 2182790331 is an apocalyptic number.

182790331 is a deficient number, since it is larger than the sum of its proper divisors (1).

182790331 is an equidigital number, since it uses as much as digits as its factorization.

182790331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 182790331 is about 13519.9974482246. The cubic root of 182790331 is about 567.5242277818.

The spelling of 182790331 in words is "one hundred eighty-two million, seven hundred ninety thousand, three hundred thirty-one".