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10728740 = 2251148767
BaseRepresentation
bin101000111011…
…010100100100
3202012002001202
4220323110210
510221304430
61021542032
7160123061
oct50732444
922162052
1010728740
116068730
123714918
1322b8489
1415d3c68
15e1dd45
hexa3b524

10728740 has 24 divisors (see below), whose sum is σ = 24579072. Its totient is φ = 3901280.

The previous prime is 10728733. The next prime is 10728743. The reversal of 10728740 is 4782701.

It is not an unprimeable number, because it can be changed into a prime (10728743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24164 + ... + 24603.

It is an arithmetic number, because the mean of its divisors is an integer number (1024128).

Almost surely, 210728740 is an apocalyptic number.

10728740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10728740 is an abundant number, since it is smaller than the sum of its proper divisors (13850332).

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

10728740 is a wasteful number, since it uses less digits than its factorization.

10728740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48787 (or 48785 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 10728740 is about 3275.4755379944. The cubic root of 10728740 is about 220.5546610270.

The spelling of 10728740 in words is "ten million, seven hundred twenty-eight thousand, seven hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 48767 97534 195068 243835 487670 536437 975340 1072874 2145748 2682185 5364370 10728740