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827141728 = 2573799743
BaseRepresentation
bin110001010011010…
…010111001100000
32010122102011010211
4301103102321200
53143222013403
6214024303504
726332405630
oct6123227140
92118364124
10827141728
11394999906
121b1011b94
13102496b9a
147bbd26c0
154c93906d
hex314d2e60

827141728 has 48 divisors (see below), whose sum is σ = 1866170880. Its totient is φ = 353517696.

The previous prime is 827141719. The next prime is 827141753.

827141728 is nontrivially palindromic in base 10.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80025 + ... + 89767.

It is an arithmetic number, because the mean of its divisors is an integer number (38878560).

Almost surely, 2827141728 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 827141728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (933085440).

827141728 is an abundant number, since it is smaller than the sum of its proper divisors (1039029152).

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

827141728 is a wasteful number, since it uses less digits than its factorization.

827141728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10139 (or 10131 counting only the distinct ones).

The product of its digits is 50176, while the sum is 40.

The square root of 827141728 is about 28760.0717662526. The cubic root of 827141728 is about 938.6996233730.

The spelling of 827141728 in words is "eight hundred twenty-seven million, one hundred forty-one thousand, seven hundred twenty-eight".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 379 758 1516 2653 3032 5306 6064 9743 10612 12128 19486 21224 38972 42448 68201 77944 84896 136402 155888 272804 311776 545608 1091216 2182432 3692597 7385194 14770388 25848179 29540776 51696358 59081552 103392716 118163104 206785432 413570864 827141728