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881340084 = 223224481669
BaseRepresentation
bin110100100010000…
…010111010110100
32021102101201022100
4310202002322310
53301110340314
6223242102100
730561160422
oct6442027264
92242351270
10881340084
11412547939
122071aa930
13110792211
14850a0112
1552592c09
hex34882eb4

881340084 has 18 divisors (see below), whose sum is σ = 2227831970. Its totient is φ = 293780016.

The previous prime is 881340071. The next prime is 881340091. The reversal of 881340084 is 480043188.

It can be written as a sum of positive squares in only one way, i.e., 449864100 + 431475984 = 21210^2 + 20772^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 24481669 = 881340084 / (8 + 8 + 1 + 3 + 4 + 0 + 0 + 8 + 4).

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 5 ways as a sum of consecutive naturals, for example, 12240799 + ... + 12240870.

Almost surely, 2881340084 is an apocalyptic number.

It is an amenable number.

881340084 is an abundant number, since it is smaller than the sum of its proper divisors (1346491886).

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

881340084 is a wasteful number, since it uses less digits than its factorization.

881340084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24481679 (or 24481674 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 881340084 is about 29687.3724670945. The cubic root of 881340084 is about 958.7701569082.

The spelling of 881340084 in words is "eight hundred eighty-one million, three hundred forty thousand, eighty-four".

Divisors: 1 2 3 4 6 9 12 18 36 24481669 48963338 73445007 97926676 146890014 220335021 293780028 440670042 881340084