Search a number
-
+
23880149 is a prime number
BaseRepresentation
bin101101100011…
…0000111010101
31122221020101222
41123012013111
522103131044
62211500125
7406656266
oct133060725
948836358
1023880149
1112530567
127bb7645
134c41587
14325896d
15216a8ee
hex16c61d5

23880149 has 2 divisors, whose sum is σ = 23880150. Its totient is φ = 23880148.

The previous prime is 23880119. The next prime is 23880161. The reversal of 23880149 is 94108832.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23833924 + 46225 = 4882^2 + 215^2 .

It is a cyclic number.

It is not a de Polignac number, because 23880149 - 224 = 7102933 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23880119) 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, 11940074 + 11940075.

It is an arithmetic number, because the mean of its divisors is an integer number (11940075).

Almost surely, 223880149 is an apocalyptic number.

It is an amenable number.

23880149 is a deficient number, since it is larger than the sum of its proper divisors (1).

23880149 is an equidigital number, since it uses as much as digits as its factorization.

23880149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 23880149 is about 4886.7319345346. The cubic root of 23880149 is about 287.9689596497.

The spelling of 23880149 in words is "twenty-three million, eight hundred eighty thousand, one hundred forty-nine".