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6240426605 = 57259342953
BaseRepresentation
bin1011100111111010…
…10101101001101101
3121002220110111222022
411303331111221231
5100240022122410
62511121555525
7310433515400
oct56375255155
917086414868
106240426605
112712615966
121261aa5ba5
13785b38b2a
14432b15d37
15267cca455
hex173f55a6d

6240426605 has 24 divisors (see below), whose sum is σ = 8726019192. Its totient is φ = 4271834112.

The previous prime is 6240426593. The next prime is 6240426613. The reversal of 6240426605 is 5066240426.

It can be written as a sum of positive squares in 4 ways, for example, as 70795396 + 6169631209 = 8414^2 + 78547^2 .

It is a de Polignac number, because none of the positive numbers 2k-6240426605 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 123809 + ... + 166761.

It is an arithmetic number, because the mean of its divisors is an integer number (363584133).

Almost surely, 26240426605 is an apocalyptic number.

It is an amenable number.

6240426605 is a deficient number, since it is larger than the sum of its proper divisors (2485592587).

6240426605 is a wasteful number, since it uses less digits than its factorization.

6240426605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43565 (or 43558 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

The square root of 6240426605 is about 78996.3708343618. The cubic root of 6240426605 is about 1841.0747703444.

The spelling of 6240426605 in words is "six billion, two hundred forty million, four hundred twenty-six thousand, six hundred five".

Divisors: 1 5 7 35 49 245 593 2965 4151 20755 29057 42953 145285 214765 300671 1503355 2104697 10523485 25471129 127355645 178297903 891489515 1248085321 6240426605