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42432263 = 1923891091
BaseRepresentation
bin1010000111011…
…1011100000111
32221211210010022
42201313130013
541330313023
64113245355
71023445136
oct241673407
987753108
1042432263
1121a51a95
121226385b
138a38963
1458c791d
153ad27c8
hex2877707

42432263 has 16 divisors (see below), whose sum is σ = 47174400. Its totient is φ = 37984320.

The previous prime is 42432259. The next prime is 42432281. The reversal of 42432263 is 36223424.

It is a cyclic number.

It is not a de Polignac number, because 42432263 - 22 = 42432259 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42432223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38348 + ... + 39438.

It is an arithmetic number, because the mean of its divisors is an integer number (2948400).

Almost surely, 242432263 is an apocalyptic number.

42432263 is a deficient number, since it is larger than the sum of its proper divisors (4742137).

42432263 is a wasteful number, since it uses less digits than its factorization.

42432263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222.

The product of its digits is 6912, while the sum is 26.

The square root of 42432263 is about 6514.0051427674. The cubic root of 42432263 is about 348.7911027552.

Adding to 42432263 its reverse (36223424), we get a palindrome (78655687).

The spelling of 42432263 in words is "forty-two million, four hundred thirty-two thousand, two hundred sixty-three".

Divisors: 1 19 23 89 437 1091 1691 2047 20729 25093 38893 97099 476767 1844881 2233277 42432263