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23424445 = 511425899
BaseRepresentation
bin101100101011…
…0110110111101
31122002002022001
41121112312331
521444040240
62154022301
7403050562
oct131266675
948062261
1023424445
111224a150
127a17991
134b12025
14317a869
1520ca89a
hex1656dbd

23424445 has 8 divisors (see below), whose sum is σ = 30664800. Its totient is φ = 17035920.

The previous prime is 23424403. The next prime is 23424451. The reversal of 23424445 is 54442432.

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

It is a de Polignac number, because none of the positive numbers 2k-23424445 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212895 + ... + 213004.

It is an arithmetic number, because the mean of its divisors is an integer number (3833100).

Almost surely, 223424445 is an apocalyptic number.

It is an amenable number.

23424445 is a deficient number, since it is larger than the sum of its proper divisors (7240355).

23424445 is a wasteful number, since it uses less digits than its factorization.

23424445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425915.

The product of its digits is 15360, while the sum is 28.

The square root of 23424445 is about 4839.8806803474. The cubic root of 23424445 is about 286.1254156783.

Adding to 23424445 its reverse (54442432), we get a palindrome (77866877).

The spelling of 23424445 in words is "twenty-three million, four hundred twenty-four thousand, four hundred forty-five".

Divisors: 1 5 11 55 425899 2129495 4684889 23424445