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23680291 is a prime number
BaseRepresentation
bin101101001010…
…1010100100011
31122120002020211
41122111110203
522030232131
62203314551
7405164515
oct132252443
948502224
1023680291
1112404398
127b1ba57
134ba160b
143205bb5
15212b5b1
hex1695523

23680291 has 2 divisors, whose sum is σ = 23680292. Its totient is φ = 23680290.

The previous prime is 23680243. The next prime is 23680297. The reversal of 23680291 is 19208632.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23680291 - 211 = 23678243 is a prime.

It is not a weakly prime, because it can be changed into another prime (23680297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11840145 + 11840146.

It is an arithmetic number, because the mean of its divisors is an integer number (11840146).

Almost surely, 223680291 is an apocalyptic number.

23680291 is a deficient number, since it is larger than the sum of its proper divisors (1).

23680291 is an equidigital number, since it uses as much as digits as its factorization.

23680291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 23680291 is about 4866.2399242125. The cubic root of 23680291 is about 287.1633503757.

The spelling of 23680291 in words is "twenty-three million, six hundred eighty thousand, two hundred ninety-one".