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23692969 = 79443677
BaseRepresentation
bin101101001100…
…0011010101001
31122120201122101
41122120122221
522031133334
62203453401
7405246466
oct132303251
948521571
1023692969
1112412973
127b27261
134ba7311
14320a66d
152130214
hex16986a9

23692969 has 8 divisors (see below), whose sum is σ = 24082560. Its totient is φ = 23305776.

The previous prime is 23692939. The next prime is 23693011. The reversal of 23692969 is 96929632.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a 4-Lehmer number, since φ(23692969) divides (23692969-1)4.

It is a cyclic number.

It is not a de Polignac number, because 23692969 - 211 = 23690921 is a prime.

It is a super-2 number, since 2×236929692 = 1122713560069922, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23692909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34659 + ... + 35335.

It is an arithmetic number, because the mean of its divisors is an integer number (3010320).

Almost surely, 223692969 is an apocalyptic number.

It is an amenable number.

23692969 is a deficient number, since it is larger than the sum of its proper divisors (389591).

23692969 is an equidigital number, since it uses as much as digits as its factorization.

23692969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199.

The product of its digits is 314928, while the sum is 46.

The square root of 23692969 is about 4867.5423983772. The cubic root of 23692969 is about 287.2145885894.

The spelling of 23692969 in words is "twenty-three million, six hundred ninety-two thousand, nine hundred sixty-nine".

Divisors: 1 79 443 677 34997 53483 299911 23692969