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8420482040 = 235941223711
BaseRepresentation
bin1111101011110011…
…00101101111111000
3210201211121210211012
413311321211233320
5114221120411130
63511320053052
7415444626215
oct76571455770
923654553735
108420482040
113631162873
121770004188
13a426a6369
1459c480b0c
153443a7995
hex1f5e65bf8

8420482040 has 32 divisors (see below), whose sum is σ = 18966303360. Its totient is φ = 3364598400.

The previous prime is 8420482039. The next prime is 8420482097. The reversal of 8420482040 is 402840248.

It is a junction number, because it is equal to n+sod(n) for n = 8420481988 and 8420482006.

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, 74216 + ... + 149495.

It is an arithmetic number, because the mean of its divisors is an integer number (592696980).

Almost surely, 28420482040 is an apocalyptic number.

It is an amenable number.

8420482040 is an abundant number, since it is smaller than the sum of its proper divisors (10545821320).

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

8420482040 is a wasteful number, since it uses less digits than its factorization.

8420482040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224663 (or 224659 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 32.

The square root of 8420482040 is about 91763.1845567709. The cubic root of 8420482040 is about 2034.4435845332.

The spelling of 8420482040 in words is "eight billion, four hundred twenty million, four hundred eighty-two thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 941 1882 3764 4705 7528 9410 18820 37640 223711 447422 894844 1118555 1789688 2237110 4474220 8948440 210512051 421024102 842048204 1052560255 1684096408 2105120510 4210241020 8420482040