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2488215980 = 225635319583
BaseRepresentation
bin1001010001001111…
…0010100110101100
320102102000110122102
42110103302212230
520043440402410
61050523034232
7115442325665
oct22423624654
96372013572
102488215980
111067595548
1259536b978
13308664863
1419866436c
15e869e2a5
hex944f29ac

2488215980 has 24 divisors (see below), whose sum is σ = 5226342912. Its totient is φ = 995078912.

The previous prime is 2488215973. The next prime is 2488215991. The reversal of 2488215980 is 895128842.

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, 117269 + ... + 136851.

It is an arithmetic number, because the mean of its divisors is an integer number (217764288).

Almost surely, 22488215980 is an apocalyptic number.

2488215980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2488215980 is an abundant number, since it is smaller than the sum of its proper divisors (2738126932).

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

2488215980 is a wasteful number, since it uses less digits than its factorization.

2488215980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25945 (or 25943 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 47.

The square root of 2488215980 is about 49882.0206086321. The cubic root of 2488215980 is about 1355.0729988858.

The spelling of 2488215980 in words is "two billion, four hundred eighty-eight million, two hundred fifteen thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 6353 12706 19583 25412 31765 39166 63530 78332 97915 127060 195830 391660 124410799 248821598 497643196 622053995 1244107990 2488215980