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42452441 = 192234339
BaseRepresentation
bin1010000111110…
…0010111011001
32221212210210122
42201330113121
541331434231
64113523025
71023561023
oct241742731
987783718
1042452441
1121a66169
1212273475
138a44bb5
1458d1013
153ad877b
hex287c5d9

42452441 has 4 divisors (see below), whose sum is σ = 44686800. Its totient is φ = 40218084.

The previous prime is 42452437. The next prime is 42452453. The reversal of 42452441 is 14425424.

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 42452441 - 22 = 42452437 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42452441.

It is not an unprimeable number, because it can be changed into a prime (42452461) 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, 1117151 + ... + 1117188.

It is an arithmetic number, because the mean of its divisors is an integer number (11171700).

Almost surely, 242452441 is an apocalyptic number.

It is an amenable number.

42452441 is a deficient number, since it is larger than the sum of its proper divisors (2234359).

42452441 is a wasteful number, since it uses less digits than its factorization.

42452441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2234358.

The product of its digits is 5120, while the sum is 26.

The square root of 42452441 is about 6515.5537753901. The cubic root of 42452441 is about 348.8463813811.

Adding to 42452441 its reverse (14425424), we get a palindrome (56877865).

The spelling of 42452441 in words is "forty-two million, four hundred fifty-two thousand, four hundred forty-one".

Divisors: 1 19 2234339 42452441