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6245990240 = 25575576777
BaseRepresentation
bin1011101000100101…
…00011111101100000
3121010021221011211212
411310102203331200
5100242433141430
62511441125252
7310532020040
oct56422437540
917107834755
106245990240
112715775a06
121263929828
13787036319
14433763720
15268528b95
hex1744a3f60

6245990240 has 48 divisors (see below), whose sum is σ = 16864176672. Its totient is φ = 2141481984.

The previous prime is 6245990237. The next prime is 6245990273. The reversal of 6245990240 is 420995426.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2787269 + ... + 2789508.

It is an arithmetic number, because the mean of its divisors is an integer number (351337014).

Almost surely, 26245990240 is an apocalyptic number.

It is an amenable number.

6245990240 is an abundant number, since it is smaller than the sum of its proper divisors (10618186432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6245990240 is a wasteful number, since it uses less digits than its factorization.

6245990240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5576799 (or 5576791 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 6245990240 is about 79031.5774864706. The cubic root of 6245990240 is about 1841.6217428579.

The spelling of 6245990240 in words is "six billion, two hundred forty-five million, nine hundred ninety thousand, two hundred forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 70 80 112 140 160 224 280 560 1120 5576777 11153554 22307108 27883885 39037439 44614216 55767770 78074878 89228432 111535540 156149756 178456864 195187195 223071080 312299512 390374390 446142160 624599024 780748780 892284320 1249198048 1561497560 3122995120 6245990240