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1339824081 = 3951146957
BaseRepresentation
bin100111111011100…
…0001011111010001
310110101010010010010
41033313001133101
510220443332311
6340541025133
745126213441
oct11767013721
93411103103
101339824081
11628328732
123148551a9
1318476c71b
14c9d2a121
157c959da6
hex4fdc17d1

1339824081 has 8 divisors (see below), whose sum is σ = 1786657984. Its totient is φ = 893103120.

The previous prime is 1339824029. The next prime is 1339824089. The reversal of 1339824081 is 1804289331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1339824081 - 214 = 1339807697 is a prime.

It is a super-2 number, since 2×13398240812 = 3590257136054989122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1339824089) 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, 5055 + ... + 52011.

It is an arithmetic number, because the mean of its divisors is an integer number (223332248).

Almost surely, 21339824081 is an apocalyptic number.

It is an amenable number.

1339824081 is a deficient number, since it is larger than the sum of its proper divisors (446833903).

1339824081 is an equidigital number, since it uses as much as digits as its factorization.

1339824081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56471.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 1339824081 is about 36603.6074861481. The cubic root of 1339824081 is about 1102.4255240439.

The spelling of 1339824081 in words is "one billion, three hundred thirty-nine million, eight hundred twenty-four thousand, eighty-one".

Divisors: 1 3 9511 28533 46957 140871 446608027 1339824081