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23448389 = 177119427
BaseRepresentation
bin101100101110…
…0101101000101
31122010022010212
41121130231011
522000322024
62154325205
7403210436
oct131345505
948108125
1023448389
1112266138
127a29805
134b1cbb3
14318548d
1520d2a0e
hex165cb45

23448389 has 8 divisors (see below), whose sum is σ = 25178688. Its totient is φ = 21757120.

The previous prime is 23448367. The next prime is 23448401. The reversal of 23448389 is 98384432.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 23448389 - 212 = 23444293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23448329) 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 7 ways as a sum of consecutive naturals, for example, 8507 + ... + 10920.

It is an arithmetic number, because the mean of its divisors is an integer number (3147336).

Almost surely, 223448389 is an apocalyptic number.

It is an amenable number.

23448389 is a deficient number, since it is larger than the sum of its proper divisors (1730299).

23448389 is a wasteful number, since it uses less digits than its factorization.

23448389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19515.

The product of its digits is 165888, while the sum is 41.

The square root of 23448389 is about 4842.3536632510. The cubic root of 23448389 is about 286.2228730419. Note that the first 3 decimals are identical.

The spelling of 23448389 in words is "twenty-three million, four hundred forty-eight thousand, three hundred eighty-nine".

Divisors: 1 17 71 1207 19427 330259 1379317 23448389