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10328881 = 13037927
BaseRepresentation
bin100111011001…
…101100110001
3201102202120011
4213121230301
510121011011
61005214521
7153536233
oct47315461
921382504
1010328881
115915272
123561441
1321a8484
14152c253
15d90621
hex9d9b31

10328881 has 4 divisors (see below), whose sum is σ = 10338112. Its totient is φ = 10319652.

The previous prime is 10328869. The next prime is 10328891. The reversal of 10328881 is 18882301.

10328881 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 18882301 = 59320039.

It is a cyclic number.

It is not a de Polignac number, because 10328881 - 25 = 10328849 is a prime.

It is a super-2 number, since 2×103288812 = 213371565424322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10328831) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2661 + ... + 5266.

It is an arithmetic number, because the mean of its divisors is an integer number (2584528).

Almost surely, 210328881 is an apocalyptic number.

It is an amenable number.

10328881 is a deficient number, since it is larger than the sum of its proper divisors (9231).

10328881 is an equidigital number, since it uses as much as digits as its factorization.

10328881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9230.

The product of its (nonzero) digits is 3072, while the sum is 31.

The square root of 10328881 is about 3213.8576508613. The cubic root of 10328881 is about 217.7798819058.

The spelling of 10328881 in words is "ten million, three hundred twenty-eight thousand, eight hundred eighty-one".

Divisors: 1 1303 7927 10328881