Search a number
-
+
34420142 = 279217849
BaseRepresentation
bin1000001101001…
…1010110101110
32101202201120002
42003103112232
532302421032
63225424302
7565365161
oct203232656
971681502
1034420142
111847a3a9
12b63b092
137191b63
1447ddad8
15304d862
hex20d35ae

34420142 has 8 divisors (see below), whose sum is σ = 52284000. Its totient is φ = 16992144.

The previous prime is 34420109. The next prime is 34420151. The reversal of 34420142 is 24102443.

34420142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 108767 + ... + 109082.

It is an arithmetic number, because the mean of its divisors is an integer number (6535500).

Almost surely, 234420142 is an apocalyptic number.

34420142 is a deficient number, since it is larger than the sum of its proper divisors (17863858).

34420142 is a wasteful number, since it uses less digits than its factorization.

34420142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217930.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 34420142 is about 5866.8681594186. The cubic root of 34420142 is about 325.2901298765.

Adding to 34420142 its reverse (24102443), we get a palindrome (58522585).

The spelling of 34420142 in words is "thirty-four million, four hundred twenty thousand, one hundred forty-two".

Divisors: 1 2 79 158 217849 435698 17210071 34420142