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820441683 = 3336738273
BaseRepresentation
bin110000111001101…
…111001001010011
32010011210202102000
4300321233021103
53140013113213
6213224525043
726221432155
oct6071571123
92104722360
10820441683
11391132a86
121aa920783
13100c8c369
147ad6aad5
154c063c73
hex30e6f253

820441683 has 16 divisors (see below), whose sum is σ = 1215947040. Its totient is φ = 546746112.

The previous prime is 820441673. The next prime is 820441711. The reversal of 820441683 is 386144028.

It is not a de Polignac number, because 820441683 - 26 = 820441619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (820441613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95035 + ... + 103307.

It is an arithmetic number, because the mean of its divisors is an integer number (75996690).

Almost surely, 2820441683 is an apocalyptic number.

820441683 is a deficient number, since it is larger than the sum of its proper divisors (395505357).

820441683 is a wasteful number, since it uses less digits than its factorization.

820441683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11955 (or 11949 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 820441683 is about 28643.3532080307. The cubic root of 820441683 is about 936.1581853787.

The spelling of 820441683 in words is "eight hundred twenty million, four hundred forty-one thousand, six hundred eighty-three".

Divisors: 1 3 9 27 3673 8273 11019 24819 33057 74457 99171 223371 30386729 91160187 273480561 820441683