Search a number
-
+
42420653 = 1110337441
BaseRepresentation
bin1010000111010…
…0100110101101
32221211012012022
42201310212231
541324430103
64113115525
71023366242
oct241644655
987735168
1042420653
1121a442a0
1212258ba5
138a335a2
1458c35c9
153ace138
hex28749ad

42420653 has 8 divisors (see below), whose sum is σ = 46727616. Its totient is φ = 38188800.

The previous prime is 42420619. The next prime is 42420659. The reversal of 42420653 is 35602424.

42420653 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 42420653 - 26 = 42420589 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42420659) 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, 17588 + ... + 19853.

It is an arithmetic number, because the mean of its divisors is an integer number (5840952).

Almost surely, 242420653 is an apocalyptic number.

It is an amenable number.

42420653 is a deficient number, since it is larger than the sum of its proper divisors (4306963).

42420653 is a wasteful number, since it uses less digits than its factorization.

42420653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37555.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 42420653 is about 6513.1139249978. The cubic root of 42420653 is about 348.7592886449.

The spelling of 42420653 in words is "forty-two million, four hundred twenty thousand, six hundred fifty-three".

Divisors: 1 11 103 1133 37441 411851 3856423 42420653