Search a number
-
+
23682731 is a prime number
BaseRepresentation
bin101101001010…
…1111010101011
31122120012121012
41122111322223
522030321411
62203334135
7405204602
oct132257253
948505535
1023682731
1112406206
127b2134b
134ba2767
143206a39
15212c18b
hex1695eab

23682731 has 2 divisors, whose sum is σ = 23682732. Its totient is φ = 23682730.

The previous prime is 23682713. The next prime is 23682739. The reversal of 23682731 is 13728632.

It is a happy number.

Together with previous prime (23682713) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23682731 is a prime.

It is a super-2 number, since 2×236827312 = 1121743495236722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23682739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11841365 + 11841366.

It is an arithmetic number, because the mean of its divisors is an integer number (11841366).

Almost surely, 223682731 is an apocalyptic number.

23682731 is a deficient number, since it is larger than the sum of its proper divisors (1).

23682731 is an equidigital number, since it uses as much as digits as its factorization.

23682731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 32.

The square root of 23682731 is about 4866.4906246699. The cubic root of 23682731 is about 287.1732130713.

The spelling of 23682731 in words is "twenty-three million, six hundred eighty-two thousand, seven hundred thirty-one".