Search a number
-
+
23064819 = 37688273
BaseRepresentation
bin101011111111…
…1000011110011
31121101210222120
41113333003303
521401033234
62142205323
7400022241
oct127770363
947353876
1023064819
1112023a38
127883843
134a1742b
1430c5791
152059049
hex15ff0f3

23064819 has 4 divisors (see below), whose sum is σ = 30753096. Its totient is φ = 15376544.

The previous prime is 23064799. The next prime is 23064829. The reversal of 23064819 is 91846032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23064819 is a prime.

It is a super-2 number, since 2×230648192 = 1063971751005522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23064819.

It is not an unprimeable number, because it can be changed into a prime (23064829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3844134 + ... + 3844139.

It is an arithmetic number, because the mean of its divisors is an integer number (7688274).

Almost surely, 223064819 is an apocalyptic number.

23064819 is a deficient number, since it is larger than the sum of its proper divisors (7688277).

23064819 is an equidigital number, since it uses as much as digits as its factorization.

23064819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7688276.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 23064819 is about 4802.5846166413. The cubic root of 23064819 is about 284.6536019236.

The spelling of 23064819 in words is "twenty-three million, sixty-four thousand, eight hundred nineteen".

Divisors: 1 3 7688273 23064819