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835041231 = 3410309151
BaseRepresentation
bin110001110001011…
…011011111001111
32011012021111020000
4301301123133033
53202232304411
6214505455343
726456506353
oct6161333717
92135244200
10835041231
113993a4922
121b37a1553
1310400164b
147cc8b463
154d499956
hex31c5b7cf

835041231 has 10 divisors (see below), whose sum is σ = 1247407392. Its totient is φ = 556694100.

The previous prime is 835041227. The next prime is 835041287. The reversal of 835041231 is 132140538.

It is a happy number.

It is not a de Polignac number, because 835041231 - 22 = 835041227 is a prime.

It is a super-3 number, since 3×8350412313 (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 835041195 and 835041204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (835041211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5154495 + ... + 5154656.

Almost surely, 2835041231 is an apocalyptic number.

835041231 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

835041231 is a deficient number, since it is larger than the sum of its proper divisors (412366161).

835041231 is a wasteful number, since it uses less digits than its factorization.

835041231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10309163 (or 10309154 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 835041231 is about 28897.0799735890. The cubic root of 835041231 is about 941.6784674881.

Adding to 835041231 its reverse (132140538), we get a palindrome (967181769).

The spelling of 835041231 in words is "eight hundred thirty-five million, forty-one thousand, two hundred thirty-one".

Divisors: 1 3 9 27 81 10309151 30927453 92782359 278347077 835041231