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23820469 is a prime number
BaseRepresentation
bin101101011011…
…1100010110101
31122211012112121
41122313202311
522044223334
62210315541
7406320301
oct132674265
948735477
1023820469
111249a742
127b88bb1
134c2036a
143240d01
152157db4
hex16b78b5

23820469 has 2 divisors, whose sum is σ = 23820470. Its totient is φ = 23820468.

The previous prime is 23820449. The next prime is 23820473. The reversal of 23820469 is 96402832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14730244 + 9090225 = 3838^2 + 3015^2 .

It is a cyclic number.

It is not a de Polignac number, because 23820469 - 219 = 23296181 is a prime.

It is a super-2 number, since 2×238204692 = 1134829486759922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23820449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11910234 + 11910235.

It is an arithmetic number, because the mean of its divisors is an integer number (11910235).

Almost surely, 223820469 is an apocalyptic number.

It is an amenable number.

23820469 is a deficient number, since it is larger than the sum of its proper divisors (1).

23820469 is an equidigital number, since it uses as much as digits as its factorization.

23820469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 23820469 is about 4880.6217841582. The cubic root of 23820469 is about 287.7288672869.

The spelling of 23820469 in words is "twenty-three million, eight hundred twenty thousand, four hundred sixty-nine".