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23441965 = 54688393
BaseRepresentation
bin101100101101…
…1001000101101
31122002222022221
41121123020231
522000120330
62154235341
7403152631
oct131331055
948088287
1023441965
1112261328
127a25b51
134b19cb1
143182dc1
1520d0b7a
hex165b22d

23441965 has 4 divisors (see below), whose sum is σ = 28130364. Its totient is φ = 18753568.

The previous prime is 23441959. The next prime is 23441969. The reversal of 23441965 is 56914432.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9326916 + 14115049 = 3054^2 + 3757^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23441965 is a prime.

It is a super-2 number, since 2×234419652 = 1099051446122450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23441965.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23441969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2344192 + ... + 2344201.

It is an arithmetic number, because the mean of its divisors is an integer number (7032591).

Almost surely, 223441965 is an apocalyptic number.

It is an amenable number.

23441965 is a deficient number, since it is larger than the sum of its proper divisors (4688399).

23441965 is an equidigital number, since it uses as much as digits as its factorization.

23441965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4688398.

The product of its digits is 25920, while the sum is 34.

The square root of 23441965 is about 4841.6903040157. The cubic root of 23441965 is about 286.1967324590.

The spelling of 23441965 in words is "twenty-three million, four hundred forty-one thousand, nine hundred sixty-five".

Divisors: 1 5 4688393 23441965