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23689469 is a prime number
BaseRepresentation
bin101101001011…
…1100011111101
31122120112211202
41122113203331
522031030334
62203425245
7405233336
oct132274375
948515752
1023689469
1112410281
127b25225
134ba584b
14320928d
15212e17e
hex16978fd

23689469 has 2 divisors, whose sum is σ = 23689470. Its totient is φ = 23689468.

The previous prime is 23689453. The next prime is 23689499. The reversal of 23689469 is 96498632.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12040900 + 11648569 = 3470^2 + 3413^2 .

It is a cyclic number.

It is not a de Polignac number, because 23689469 - 24 = 23689453 is a prime.

It is a super-2 number, since 2×236894692 = 1122381883003922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23689499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11844734 + 11844735.

It is an arithmetic number, because the mean of its divisors is an integer number (11844735).

Almost surely, 223689469 is an apocalyptic number.

It is an amenable number.

23689469 is a deficient number, since it is larger than the sum of its proper divisors (1).

23689469 is an equidigital number, since it uses as much as digits as its factorization.

23689469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 559872, while the sum is 47.

The square root of 23689469 is about 4867.1828607522. The cubic root of 23689469 is about 287.2004451451.

The spelling of 23689469 in words is "twenty-three million, six hundred eighty-nine thousand, four hundred sixty-nine".