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23381112 = 233974213
BaseRepresentation
bin101100100110…
…0010001111000
31121222212212010
41121030101320
521441143422
62153045520
7402510336
oct131142170
947885763
1023381112
111221a637
1279b68a0
134ac83a1
143168b56
1520bcb0c
hex164c478

23381112 has 16 divisors (see below), whose sum is σ = 58452840. Its totient is φ = 7793696.

The previous prime is 23381063. The next prime is 23381119. The reversal of 23381112 is 21118332.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23381119) 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 3 ways as a sum of consecutive naturals, for example, 487083 + ... + 487130.

Almost surely, 223381112 is an apocalyptic number.

It is an amenable number.

23381112 is an abundant number, since it is smaller than the sum of its proper divisors (35071728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23381112 is a wasteful number, since it uses less digits than its factorization.

23381112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974222 (or 974218 counting only the distinct ones).

The product of its digits is 288, while the sum is 21.

The square root of 23381112 is about 4835.4019481321. The cubic root of 23381112 is about 285.9488718162.

Adding to 23381112 its reverse (21118332), we get a palindrome (44499444).

The spelling of 23381112 in words is "twenty-three million, three hundred eighty-one thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 974213 1948426 2922639 3896852 5845278 7793704 11690556 23381112