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23141643 = 371577019
BaseRepresentation
bin101100001000…
…1110100001011
31121112201100220
41120101310023
521411013033
62144001123
7400462230
oct130216413
947481326
1023141643
1112076728
1279001a3
134a433a5
143105787
152071bb3
hex1611d0b

23141643 has 16 divisors (see below), whose sum is σ = 35493120. Its totient is φ = 13137696.

The previous prime is 23141627. The next prime is 23141663. The reversal of 23141643 is 34614132.

It is not a de Polignac number, because 23141643 - 24 = 23141627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23141603) 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 15 ways as a sum of consecutive naturals, for example, 213 + ... + 6806.

It is an arithmetic number, because the mean of its divisors is an integer number (2218320).

Almost surely, 223141643 is an apocalyptic number.

23141643 is a deficient number, since it is larger than the sum of its proper divisors (12351477).

23141643 is a wasteful number, since it uses less digits than its factorization.

23141643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7186.

The product of its digits is 1728, while the sum is 24.

The square root of 23141643 is about 4810.5761609188. The cubic root of 23141643 is about 284.9692918591.

Adding to 23141643 its reverse (34614132), we get a palindrome (57755775).

The spelling of 23141643 in words is "twenty-three million, one hundred forty-one thousand, six hundred forty-three".

Divisors: 1 3 7 21 157 471 1099 3297 7019 21057 49133 147399 1101983 3305949 7713881 23141643