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881404806 = 23146900801
BaseRepresentation
bin110100100010010…
…010101110000110
32021102112000002110
4310202102232012
53301114423211
6223243321450
730561550212
oct6442225606
92242460073
10881404806
11412591527
12207220286
131107b5809
14850b9942
15525a6ea6
hex34892b86

881404806 has 8 divisors (see below), whose sum is σ = 1762809624. Its totient is φ = 293801600.

The previous prime is 881404793. The next prime is 881404807. The reversal of 881404806 is 608404188.

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

881404806 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (881404807) 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, 73450395 + ... + 73450406.

It is an arithmetic number, because the mean of its divisors is an integer number (220351203).

Almost surely, 2881404806 is an apocalyptic number.

881404806 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

881404806 is a wasteful number, since it uses less digits than its factorization.

881404806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146900806.

The product of its (nonzero) digits is 49152, while the sum is 39.

The square root of 881404806 is about 29688.4625065024. The cubic root of 881404806 is about 958.7936257160.

The spelling of 881404806 in words is "eight hundred eighty-one million, four hundred four thousand, eight hundred six".

Divisors: 1 2 3 6 146900801 293801602 440702403 881404806