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6240428745 = 35449926567
BaseRepresentation
bin1011100111111010…
…10110001011001001
3121002220110121220120
411303331112023021
5100240022204440
62511122013453
7310433524545
oct56375261311
917086417816
106240428745
112712617531
121261aa7289
13785b39ab5
14432b16a25
15267ccadd0
hex173f562c9

6240428745 has 16 divisors (see below), whose sum is σ = 10006934400. Its totient is φ = 3320812544.

The previous prime is 6240428741. The next prime is 6240428783. The reversal of 6240428745 is 5478240426.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 6240428745 - 22 = 6240428741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6240428697 and 6240428706.

It is not an unprimeable number, because it can be changed into a prime (6240428741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 456549 + ... + 470018.

It is an arithmetic number, because the mean of its divisors is an integer number (625433400).

Almost surely, 26240428745 is an apocalyptic number.

It is an amenable number.

6240428745 is a deficient number, since it is larger than the sum of its proper divisors (3766505655).

6240428745 is a wasteful number, since it uses less digits than its factorization.

6240428745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927024.

The product of its (nonzero) digits is 430080, while the sum is 42.

The square root of 6240428745 is about 78996.3843792866. The cubic root of 6240428745 is about 1841.0749807947.

The spelling of 6240428745 in words is "six billion, two hundred forty million, four hundred twenty-eight thousand, seven hundred forty-five".

Divisors: 1 3 5 15 449 1347 2245 6735 926567 2779701 4632835 13898505 416028583 1248085749 2080142915 6240428745