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42363133 = 172491949
BaseRepresentation
bin1010000110011…
…0100011111101
32221201021021221
42201212203331
541321110013
64111553341
71023036451
oct241464375
987637257
1042363133
1121a0505a
121222b851
138a13357
1458aa661
153abc08d
hex28668fd

42363133 has 4 divisors (see below), whose sum is σ = 44855100. Its totient is φ = 39871168.

The previous prime is 42363131. The next prime is 42363157. The reversal of 42363133 is 33136324.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30891364 + 11471769 = 5558^2 + 3387^2 .

It is a cyclic number.

It is not a de Polignac number, because 42363133 - 21 = 42363131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42363098 and 42363107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42363131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1245958 + ... + 1245991.

It is an arithmetic number, because the mean of its divisors is an integer number (11213775).

Almost surely, 242363133 is an apocalyptic number.

It is an amenable number.

42363133 is a deficient number, since it is larger than the sum of its proper divisors (2491967).

42363133 is a wasteful number, since it uses less digits than its factorization.

42363133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2491966.

The product of its digits is 3888, while the sum is 25.

The square root of 42363133 is about 6508.6967205424. The cubic root of 42363133 is about 348.6015847379.

Adding to 42363133 its reverse (33136324), we get a palindrome (75499457).

The spelling of 42363133 in words is "forty-two million, three hundred sixty-three thousand, one hundred thirty-three".

Divisors: 1 17 2491949 42363133