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34170020 = 2258212081
BaseRepresentation
bin1000001001011…
…0010010100100
32101022000110022
42002112102210
532221420040
63220214312
7563304023
oct202262244
971260408
1034170020
1118319495
12b53a398
137105061
1447768ba
152eee6b5
hex20964a4

34170020 has 24 divisors (see below), whose sum is σ = 71878968. Its totient is φ = 13644800.

The previous prime is 34170013. The next prime is 34170041. The reversal of 34170020 is 2007143.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 692224 + 33477796 = 832^2 + 5786^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15380 + ... + 17460.

It is an arithmetic number, because the mean of its divisors is an integer number (2994957).

Almost surely, 234170020 is an apocalyptic number.

It is an amenable number.

34170020 is an abundant number, since it is smaller than the sum of its proper divisors (37708948).

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

34170020 is a wasteful number, since it uses less digits than its factorization.

34170020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2911 (or 2909 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 34170020 is about 5845.5128089843. The cubic root of 34170020 is about 324.5002813381.

Adding to 34170020 its reverse (2007143), we get a palindrome (36177163).

The spelling of 34170020 in words is "thirty-four million, one hundred seventy thousand, twenty".

Divisors: 1 2 4 5 10 20 821 1642 2081 3284 4105 4162 8210 8324 10405 16420 20810 41620 1708501 3417002 6834004 8542505 17085010 34170020