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34220455 = 56844091
BaseRepresentation
bin1000001010001…
…0100110100111
32101101120122021
42002202212213
532230023310
63221244011
7563604043
oct202424647
971346567
1034220455
1118353375
12b563607
137121cb9
14478b023
15300e5da
hex20a29a7

34220455 has 4 divisors (see below), whose sum is σ = 41064552. Its totient is φ = 27376360.

The previous prime is 34220453. The next prime is 34220479. The reversal of 34220455 is 55402243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55402243 = 134261711.

It is not a de Polignac number, because 34220455 - 21 = 34220453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34220453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3422041 + ... + 3422050.

It is an arithmetic number, because the mean of its divisors is an integer number (10266138).

Almost surely, 234220455 is an apocalyptic number.

34220455 is a deficient number, since it is larger than the sum of its proper divisors (6844097).

34220455 is an equidigital number, since it uses as much as digits as its factorization.

34220455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6844096.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 34220455 is about 5849.8252110640. The cubic root of 34220455 is about 324.6598571507.

Adding to 34220455 its reverse (55402243), we get a palindrome (89622698).

The spelling of 34220455 in words is "thirty-four million, two hundred twenty thousand, four hundred fifty-five".

Divisors: 1 5 6844091 34220455