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836234020 = 22541811701
BaseRepresentation
bin110001110101111…
…110101100100100
32011021112002102101
4301311332230210
53203033442040
6214551221444
726502605026
oct6165765444
92137462371
10836234020
1139a039aa6
121b4077884
1310432b53b
147d0bc016
154d63309a
hex31d7eb24

836234020 has 12 divisors (see below), whose sum is σ = 1756091484. Its totient is φ = 334493600.

The previous prime is 836233999. The next prime is 836234027. The reversal of 836234020 is 20432638.

It can be written as a sum of positive squares in 2 ways, for example, as 376903396 + 459330624 = 19414^2 + 21432^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 836234020.

It is not an unprimeable number, because it can be changed into a prime (836234027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20905831 + ... + 20905870.

It is an arithmetic number, because the mean of its divisors is an integer number (146340957).

Almost surely, 2836234020 is an apocalyptic number.

It is an amenable number.

836234020 is an abundant number, since it is smaller than the sum of its proper divisors (919857464).

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

836234020 is a wasteful number, since it uses less digits than its factorization.

836234020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41811710 (or 41811708 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 836234020 is about 28917.7111819037. The cubic root of 836234020 is about 942.1266247321.

Adding to 836234020 its reverse (20432638), we get a palindrome (856666658).

The spelling of 836234020 in words is "eight hundred thirty-six million, two hundred thirty-four thousand, twenty".

Divisors: 1 2 4 5 10 20 41811701 83623402 167246804 209058505 418117010 836234020