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23042433 = 37680811
BaseRepresentation
bin101011111100…
…1100110000001
31121100200021110
41113321212001
521344324213
62141513533
7366600051
oct127714601
947320243
1023042433
1112009137
1278728a9
134a0a19b
1430bb561
1520525c3
hex15f9981

23042433 has 4 divisors (see below), whose sum is σ = 30723248. Its totient is φ = 15361620.

The previous prime is 23042423. The next prime is 23042471. The reversal of 23042433 is 33424032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 23042433 - 24 = 23042417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23042423) 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, 3840403 + ... + 3840408.

It is an arithmetic number, because the mean of its divisors is an integer number (7680812).

Almost surely, 223042433 is an apocalyptic number.

It is an amenable number.

23042433 is a deficient number, since it is larger than the sum of its proper divisors (7680815).

23042433 is an equidigital number, since it uses as much as digits as its factorization.

23042433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7680814.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 23042433 is about 4800.2534308097. The cubic root of 23042433 is about 284.5614801194.

Adding to 23042433 its reverse (33424032), we get a palindrome (56466465).

The spelling of 23042433 in words is "twenty-three million, forty-two thousand, four hundred thirty-three".

Divisors: 1 3 7680811 23042433