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42232253 = 76033179
BaseRepresentation
bin1010000100011…
…0100110111101
32221110121202112
42201012212331
541302413003
64105103405
71021653050
oct241064675
987417675
1042232253
1121925798
1212187b65
1389988cb
145874a97
153a933d8
hex28469bd

42232253 has 4 divisors (see below), whose sum is σ = 48265440. Its totient is φ = 36199068.

The previous prime is 42232249. The next prime is 42232271. The reversal of 42232253 is 35223224.

42232253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 42232253 - 22 = 42232249 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 (42232213) 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, 3016583 + ... + 3016596.

It is an arithmetic number, because the mean of its divisors is an integer number (12066360).

Almost surely, 242232253 is an apocalyptic number.

It is an amenable number.

42232253 is a deficient number, since it is larger than the sum of its proper divisors (6033187).

42232253 is an equidigital number, since it uses as much as digits as its factorization.

42232253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6033186.

The product of its digits is 2880, while the sum is 23.

The square root of 42232253 is about 6498.6347027664. The cubic root of 42232253 is about 348.2422153304.

Adding to 42232253 its reverse (35223224), we get a palindrome (77455477).

The spelling of 42232253 in words is "forty-two million, two hundred thirty-two thousand, two hundred fifty-three".

Divisors: 1 7 6033179 42232253