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2798162672 = 242931474139
BaseRepresentation
bin1010011011001000…
…1001001011110000
321020000020101120112
42212302021023300
521212312201142
61141354200452
7126224663444
oct24662111360
97200211515
102798162672
111206543038
12661123128
13357935b76
141c78a6824
151159c5382
hexa6c892f0

2798162672 has 80 divisors (see below), whose sum is σ = 5913907200. Its totient is φ = 1279138560.

The previous prime is 2798162621. The next prime is 2798162677. The reversal of 2798162672 is 2762618972.

It is a self number, because there is not a number n which added to its sum of digits gives 2798162672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2798162677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 673979 + ... + 678117.

It is an arithmetic number, because the mean of its divisors is an integer number (73923840).

Almost surely, 22798162672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2798162672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2956953600).

2798162672 is an abundant number, since it is smaller than the sum of its proper divisors (3115744528).

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

2798162672 is a wasteful number, since it uses less digits than its factorization.

2798162672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4254 (or 4248 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 50.

The square root of 2798162672 is about 52897.6622545836. The cubic root of 2798162672 is about 1409.1513884970.

The spelling of 2798162672 in words is "two billion, seven hundred ninety-eight million, one hundred sixty-two thousand, six hundred seventy-two".

Divisors: 1 2 4 8 16 29 31 47 58 62 94 116 124 188 232 248 376 464 496 752 899 1363 1457 1798 2726 2914 3596 4139 5452 5828 7192 8278 10904 11656 14384 16556 21808 23312 33112 42253 66224 84506 120031 128309 169012 194533 240062 256618 338024 389066 480124 513236 676048 778132 960248 1026472 1556264 1920496 2052944 3112528 3720961 5641457 6030523 7441922 11282914 12061046 14883844 22565828 24122092 29767688 45131656 48244184 59535376 90263312 96488368 174885167 349770334 699540668 1399081336 2798162672