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836489349 = 353442343
BaseRepresentation
bin110001110110111…
…101000010000101
32011022000001200000
4301312331002011
53203120124344
6215000511513
726505020313
oct6166750205
92138001600
10836489349
1139a1a3913
121b417b599
131043ba817
147d1470b3
154d683a69
hex31dbd085

836489349 has 12 divisors (see below), whose sum is σ = 1253013216. Its totient is φ = 557659404.

The previous prime is 836489341. The next prime is 836489413. The reversal of 836489349 is 943984638.

It is a happy number.

836489349 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 836489349 - 23 = 836489341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 836489295 and 836489304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (836489341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1720929 + ... + 1721414.

It is an arithmetic number, because the mean of its divisors is an integer number (104417768).

Almost surely, 2836489349 is an apocalyptic number.

It is an amenable number.

836489349 is a deficient number, since it is larger than the sum of its proper divisors (416523867).

836489349 is an equidigital number, since it uses as much as digits as its factorization.

836489349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3442358 (or 3442346 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 54.

The square root of 836489349 is about 28922.1255961591. The cubic root of 836489349 is about 942.2225021080. Note that the first 3 decimals are identical.

The spelling of 836489349 in words is "eight hundred thirty-six million, four hundred eighty-nine thousand, three hundred forty-nine".

Divisors: 1 3 9 27 81 243 3442343 10327029 30981087 92943261 278829783 836489349