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23345445 = 351556363
BaseRepresentation
bin101100100001…
…1100100100101
31121221001221010
41121003210211
521434023240
62152212433
7402301344
oct131034445
947831833
1023345445
11121a5862
12799a119
134ab5096
143159b5b
1520b2280
hex1643925

23345445 has 8 divisors (see below), whose sum is σ = 37352736. Its totient is φ = 12450896.

The previous prime is 23345407. The next prime is 23345447. The reversal of 23345445 is 54454332.

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 23345445 - 26 = 23345381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23345447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 778167 + ... + 778196.

It is an arithmetic number, because the mean of its divisors is an integer number (4669092).

Almost surely, 223345445 is an apocalyptic number.

It is an amenable number.

23345445 is a deficient number, since it is larger than the sum of its proper divisors (14007291).

23345445 is a wasteful number, since it uses less digits than its factorization.

23345445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1556371.

The product of its digits is 28800, while the sum is 30.

The square root of 23345445 is about 4831.7124293567. The cubic root of 23345445 is about 285.8033964308.

Adding to 23345445 its reverse (54454332), we get a palindrome (77799777).

The spelling of 23345445 in words is "twenty-three million, three hundred forty-five thousand, four hundred forty-five".

Divisors: 1 3 5 15 1556363 4669089 7781815 23345445