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2792742672 = 243433493877
BaseRepresentation
bin1010011001110101…
…1101111100010000
321012122001000201210
42212131131330100
521204420231142
61141042100120
7126130630626
oct24635357420
97178030653
102792742672
1112034809a5
1265b34a640
13356788b75
141c6c95516
151152a449c
hexa675df10

2792742672 has 80 divisors (see below), whose sum is σ = 7405428800. Its totient is φ = 906425856.

The previous prime is 2792742551. The next prime is 2792742703. The reversal of 2792742672 is 2762472972.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 718398 + ... + 722274.

It is an arithmetic number, because the mean of its divisors is an integer number (92567860).

Almost surely, 22792742672 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 2792742672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3702714400).

2792742672 is an abundant number, since it is smaller than the sum of its proper divisors (4612686128).

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

2792742672 is a wasteful number, since it uses less digits than its factorization.

2792742672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4280 (or 4274 counting only the distinct ones).

The product of its digits is 1185408, while the sum is 48.

The square root of 2792742672 is about 52846.4064246567. The cubic root of 2792742672 is about 1408.2409652370.

The spelling of 2792742672 in words is "two billion, seven hundred ninety-two million, seven hundred forty-two thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 43 48 86 129 172 258 344 349 516 688 698 1032 1047 1396 2064 2094 2792 3877 4188 5584 7754 8376 11631 15007 15508 16752 23262 30014 31016 45021 46524 60028 62032 90042 93048 120056 166711 180084 186096 240112 333422 360168 500133 666844 720336 1000266 1333688 1353073 2000532 2667376 2706146 4001064 4059219 5412292 8002128 8118438 10824584 16236876 21649168 32473752 58182139 64947504 116364278 174546417 232728556 349092834 465457112 698185668 930914224 1396371336 2792742672