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8419503140 = 225433972229
BaseRepresentation
bin1111101011101011…
…10110110000100100
3210201202210002000122
413311311312300210
5114220343100030
63511243101112
7415433411246
oct76565666044
923652702018
108419503140
113630654364
12176b811798
13a42422929
1459c2a8096
153442628e5
hex1f5d76c24

8419503140 has 24 divisors (see below), whose sum is σ = 17721808440. Its totient is φ = 3360019968.

The previous prime is 8419503133. The next prime is 8419503173. The reversal of 8419503140 is 413059148.

It can be written as a sum of positive squares in 4 ways, for example, as 793323556 + 7626179584 = 28166^2 + 87328^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8419503140.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 477455 + ... + 494774.

It is an arithmetic number, because the mean of its divisors is an integer number (738408685).

Almost surely, 28419503140 is an apocalyptic number.

It is an amenable number.

8419503140 is an abundant number, since it is smaller than the sum of its proper divisors (9302305300).

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

8419503140 is a wasteful number, since it uses less digits than its factorization.

8419503140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972671 (or 972669 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 8419503140 is about 91757.8505633169. The cubic root of 8419503140 is about 2034.3647452620.

The spelling of 8419503140 in words is "eight billion, four hundred nineteen million, five hundred three thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 433 866 1732 2165 4330 8660 972229 1944458 3888916 4861145 9722290 19444580 420975157 841950314 1683900628 2104875785 4209751570 8419503140