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320422242 = 23715748593
BaseRepresentation
bin10011000110010…
…100000101100010
3211022221010200110
4103012110011202
51124012002432
651443432150
710640354430
oct2306240542
9738833613
10320422242
11154962a78
128b385656
13514cb47a
14307abd50
151d1e4dcc
hex13194162

320422242 has 32 divisors (see below), whose sum is σ = 737073792. Its totient is φ = 90964224.

The previous prime is 320422241. The next prime is 320422253. The reversal of 320422242 is 242224023.

320422242 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (320422241) 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 15 ways as a sum of consecutive naturals, for example, 17703 + ... + 30890.

It is an arithmetic number, because the mean of its divisors is an integer number (23033556).

Almost surely, 2320422242 is an apocalyptic number.

320422242 is an abundant number, since it is smaller than the sum of its proper divisors (416651550).

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

320422242 is a wasteful number, since it uses less digits than its factorization.

320422242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48762.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 320422242 is about 17900.3419520410. The cubic root of 320422242 is about 684.2910896393.

Adding to 320422242 its reverse (242224023), we get a palindrome (562646265).

The spelling of 320422242 in words is "three hundred twenty million, four hundred twenty-two thousand, two hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 157 314 471 942 1099 2198 3297 6594 48593 97186 145779 291558 340151 680302 1020453 2040906 7629101 15258202 22887303 45774606 53403707 106807414 160211121 320422242