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34443220 = 2257347709
BaseRepresentation
bin1000001101100…
…0111111010100
32101210220012211
42003120333110
532304140340
63230123204
7565522360
oct203307724
971726184
1034443220
1118495779
12b650504
13719c506
1448082a0
1530555ea
hex20d8fd4

34443220 has 48 divisors (see below), whose sum is σ = 83018880. Its totient is φ = 11758464.

The previous prime is 34443169. The next prime is 34443229. The reversal of 34443220 is 2234443.

34443220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 34443191 and 34443200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34443229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48226 + ... + 48934.

It is an arithmetic number, because the mean of its divisors is an integer number (1729560).

Almost surely, 234443220 is an apocalyptic number.

It is an amenable number.

34443220 is an abundant number, since it is smaller than the sum of its proper divisors (48575660).

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

34443220 is a wasteful number, since it uses less digits than its factorization.

34443220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072 (or 1070 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 34443220 is about 5868.8346373024. The cubic root of 34443220 is about 325.3628137570.

Adding to 34443220 its reverse (2234443), we get a palindrome (36677663).

The spelling of 34443220 in words is "thirty-four million, four hundred forty-three thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 347 694 709 1388 1418 1735 2429 2836 3470 3545 4858 4963 6940 7090 9716 9926 12145 14180 19852 24290 24815 48580 49630 99260 246023 492046 984092 1230115 1722161 2460230 3444322 4920460 6888644 8610805 17221610 34443220