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2742857156 = 221329774153
BaseRepresentation
bin1010001101111100…
…1010110111000100
321002011011120200002
42203133022313010
521104132412111
61132100540432
7124653621044
oct24337126704
97064146602
102742857156
1111882a91a6
126466b1718
13349340900
141c03cb724
15110bed63b
hexa37cadc4

2742857156 has 36 divisors (see below), whose sum is σ = 5204205972. Its totient is φ = 1264333824.

The previous prime is 2742857099. The next prime is 2742857191. The reversal of 2742857156 is 6517582472.

It can be written as a sum of positive squares in 6 ways, for example, as 549433600 + 2193423556 = 23440^2 + 46834^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2742857156.

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 11 ways as a sum of consecutive naturals, for example, 658376 + ... + 662528.

It is an arithmetic number, because the mean of its divisors is an integer number (144561277).

Almost surely, 22742857156 is an apocalyptic number.

2742857156 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2742857156 is a deficient number, since it is larger than the sum of its proper divisors (2461348816).

2742857156 is a wasteful number, since it uses less digits than its factorization.

2742857156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5160 (or 5145 counting only the distinct ones).

The product of its digits is 940800, while the sum is 47.

The square root of 2742857156 is about 52372.2937821135. The cubic root of 2742857156 is about 1399.8056117862.

The spelling of 2742857156 in words is "two billion, seven hundred forty-two million, eight hundred fifty-seven thousand, one hundred fifty-six".

Divisors: 1 2 4 13 26 52 169 338 676 977 1954 3908 4153 8306 12701 16612 25402 50804 53989 107978 165113 215956 330226 660452 701857 1403714 2807428 4057481 8114962 16229924 52747253 105494506 210989012 685714289 1371428578 2742857156