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320869226 = 2198443927
BaseRepresentation
bin10011001000000…
…001001101101010
3211100202211211102
4103020001031222
51124120303401
651501201402
710644225536
oct2310011552
9740684742
10320869226
11155138887
128b560262
1351626a62
1430886bc6
151d28256b
hex1320136a

320869226 has 8 divisors (see below), whose sum is σ = 506635680. Its totient is φ = 151990668.

The previous prime is 320869163. The next prime is 320869229. The reversal of 320869226 is 622968023.

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

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 8443927 = 320869226 / (3 + 2 + 0 + 8 + 6 + 9 + 2 + 2 + 6).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 320869226.

It is not an unprimeable number, because it can be changed into a prime (320869229) 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, 4221926 + ... + 4222001.

It is an arithmetic number, because the mean of its divisors is an integer number (63329460).

Almost surely, 2320869226 is an apocalyptic number.

320869226 is a deficient number, since it is larger than the sum of its proper divisors (185766454).

320869226 is a wasteful number, since it uses less digits than its factorization.

320869226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8443948.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 320869226 is about 17912.8229489380. The cubic root of 320869226 is about 684.6091335741.

The spelling of 320869226 in words is "three hundred twenty million, eight hundred sixty-nine thousand, two hundred twenty-six".

Divisors: 1 2 19 38 8443927 16887854 160434613 320869226