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34227920 = 245427849
BaseRepresentation
bin1000001010010…
…0011011010000
32101101221212202
42002210123100
532230243140
63221342332
7563634566
oct202443320
971357782
1034227920
1118358a41
12b5679a8
13712550c
14478da36
153011915
hex20a46d0

34227920 has 20 divisors (see below), whose sum is σ = 79580100. Its totient is φ = 13691136.

The previous prime is 34227913. The next prime is 34227931. The reversal of 34227920 is 2972243.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 21752896 + 12475024 = 4664^2 + 3532^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213845 + ... + 214004.

It is an arithmetic number, because the mean of its divisors is an integer number (3979005).

Almost surely, 234227920 is an apocalyptic number.

It is an amenable number.

34227920 is an abundant number, since it is smaller than the sum of its proper divisors (45352180).

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

34227920 is a wasteful number, since it uses less digits than its factorization.

34227920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427862 (or 427856 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 34227920 is about 5850.4632295229. The cubic root of 34227920 is about 324.6834630089.

The spelling of 34227920 in words is "thirty-four million, two hundred twenty-seven thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 427849 855698 1711396 2139245 3422792 4278490 6845584 8556980 17113960 34227920