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881340081 = 32621112087
BaseRepresentation
bin110100100010000…
…010111010110001
32021102101201022020
4310202002322301
53301110340311
6223242102053
730561160416
oct6442027261
92242351266
10881340081
11412547936
122071aa929
1311079220b
14850a010d
1552592c06
hex34882eb1

881340081 has 8 divisors (see below), whose sum is σ = 1175578944. Its totient is φ = 587330640.

The previous prime is 881340071. The next prime is 881340091. The reversal of 881340081 is 180043188.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (881340071) and next prime (881340091).

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

It is not a de Polignac number, because 881340081 - 25 = 881340049 is a prime.

It is a super-2 number, since 2×8813400812 = 1553520676754173122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (881340011) 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 7 ways as a sum of consecutive naturals, for example, 48181 + ... + 63906.

It is an arithmetic number, because the mean of its divisors is an integer number (146947368).

Almost surely, 2881340081 is an apocalyptic number.

It is an amenable number.

881340081 is a deficient number, since it is larger than the sum of its proper divisors (294238863).

881340081 is a wasteful number, since it uses less digits than its factorization.

881340081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114711.

The product of its (nonzero) digits is 6144, while the sum is 33.

The square root of 881340081 is about 29687.3724165680. The cubic root of 881340081 is about 958.7701558203.

The spelling of 881340081 in words is "eight hundred eighty-one million, three hundred forty thousand, eighty-one".

Divisors: 1 3 2621 7863 112087 336261 293780027 881340081