Search a number
-
+
42427451 = 1110337447
BaseRepresentation
bin1010000111011…
…0010000111011
32221211112112002
42201312100323
541330134301
64113211215
71023425123
oct241662073
987745462
1042427451
1121a49410
1212260b0b
138a36701
1458c5c83
153ad116b
hex287643b

42427451 has 8 divisors (see below), whose sum is σ = 46735104. Its totient is φ = 38194920.

The previous prime is 42427447. The next prime is 42427453. The reversal of 42427451 is 15472424.

42427451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42427451 - 22 = 42427447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42427453) 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 7 ways as a sum of consecutive naturals, for example, 17591 + ... + 19856.

It is an arithmetic number, because the mean of its divisors is an integer number (5841888).

Almost surely, 242427451 is an apocalyptic number.

42427451 is a deficient number, since it is larger than the sum of its proper divisors (4307653).

42427451 is a wasteful number, since it uses less digits than its factorization.

42427451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37561.

The product of its digits is 8960, while the sum is 29.

The square root of 42427451 is about 6513.6357742815. The cubic root of 42427451 is about 348.7779174561. Note that the first 3 decimals are identical.

Adding to 42427451 its reverse (15472424), we get a palindrome (57899875).

The spelling of 42427451 in words is "forty-two million, four hundred twenty-seven thousand, four hundred fifty-one".

Divisors: 1 11 103 1133 37447 411917 3857041 42427451