Search a number
-
+
426654381 = 3971914633
BaseRepresentation
bin11001011011100…
…011101010101101
31002201211021210010
4121123203222231
51333210420011
6110200403433
713400334216
oct3133435255
91081737703
10426654381
111a992082a
12baa76579
136a51481a
144094240d
15276cb1a6
hex196e3aad

426654381 has 8 divisors (see below), whose sum is σ = 568969920. Its totient is φ = 284387552.

The previous prime is 426654377. The next prime is 426654427. The reversal of 426654381 is 183456624.

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 426654381 - 22 = 426654377 is a prime.

It is a super-2 number, since 2×4266543812 = 364067921652986322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426654331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21841 + ... + 36473.

It is an arithmetic number, because the mean of its divisors is an integer number (71121240).

Almost surely, 2426654381 is an apocalyptic number.

It is an amenable number.

426654381 is a deficient number, since it is larger than the sum of its proper divisors (142315539).

426654381 is a wasteful number, since it uses less digits than its factorization.

426654381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24355.

The product of its digits is 138240, while the sum is 39.

The square root of 426654381 is about 20655.6137889921. The cubic root of 426654381 is about 752.8215972511.

It can be divided in two parts, 4266543 and 81, that added together give a palindrome (4266624).

The spelling of 426654381 in words is "four hundred twenty-six million, six hundred fifty-four thousand, three hundred eighty-one".

Divisors: 1 3 9719 14633 29157 43899 142218127 426654381