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1028276000 = 2553257069
BaseRepresentation
bin111101010010100…
…011111100100000
32122122212211111022
4331102203330200
54101214313000
6250011305012
734324126133
oct7522437440
92578784438
101028276000
11488486a84
1224844b168
1313505a54b
149a7cc21a
1560419585
hex3d4a3f20

1028276000 has 48 divisors (see below), whose sum is σ = 2526483960. Its totient is φ = 411308800.

The previous prime is 1028275999. The next prime is 1028276009. The reversal of 1028276000 is 6728201.

1028276000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 36529936 + 991746064 = 6044^2 + 31492^2 .

It is not an unprimeable number, because it can be changed into a prime (1028276009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124535 + ... + 132534.

Almost surely, 21028276000 is an apocalyptic number.

1028276000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1028276000 is an abundant number, since it is smaller than the sum of its proper divisors (1498207960).

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

1028276000 is an equidigital number, since it uses as much as digits as its factorization.

1028276000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257094 (or 257076 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 1028276000 is about 32066.7428966523. The cubic root of 1028276000 is about 1009.3378661811.

The spelling of 1028276000 in words is "one billion, twenty-eight million, two hundred seventy-six thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 800 1000 2000 4000 257069 514138 1028276 1285345 2056552 2570690 4113104 5141380 6426725 8226208 10282760 12853450 20565520 25706900 32133625 41131040 51413800 64267250 102827600 128534500 205655200 257069000 514138000 1028276000