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23443152 = 243488399
BaseRepresentation
bin101100101101…
…1011011010000
31122010000221220
41121123123100
522000140102
62154245040
7403156245
oct131333320
948100856
1023443152
1112262207
127a26780
134b1a6b5
1431835cc
1520d11bc
hex165b6d0

23443152 has 20 divisors (see below), whose sum is σ = 60561600. Its totient is φ = 7814368.

The previous prime is 23443139. The next prime is 23443157. The reversal of 23443152 is 25134432.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23443157) 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 3 ways as a sum of consecutive naturals, for example, 244152 + ... + 244247.

It is an arithmetic number, because the mean of its divisors is an integer number (3028080).

Almost surely, 223443152 is an apocalyptic number.

It is an amenable number.

23443152 is an abundant number, since it is smaller than the sum of its proper divisors (37118448).

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

23443152 is a wasteful number, since it uses less digits than its factorization.

23443152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488410 (or 488404 counting only the distinct ones).

The product of its digits is 2880, while the sum is 24.

The square root of 23443152 is about 4841.8128836212. The cubic root of 23443152 is about 286.2015629668.

Adding to 23443152 its reverse (25134432), we get a palindrome (48577584).

The spelling of 23443152 in words is "twenty-three million, four hundred forty-three thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 488399 976798 1465197 1953596 2930394 3907192 5860788 7814384 11721576 23443152