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383228642 = 2434456147
BaseRepresentation
bin10110110101111…
…001101011100010
3222201010000212102
4112311321223202
51241101304032
6102005530402
712332250446
oct2665715342
9881100772
10383228642
11187360395
12a8413a02
136151b914
1438c7a826
152399e362
hex16d79ae2

383228642 has 8 divisors (see below), whose sum is σ = 588211536. Its totient is φ = 187158132.

The previous prime is 383228641. The next prime is 383228687. The reversal of 383228642 is 246822383.

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

It is a junction number, because it is equal to n+sod(n) for n = 383228596 and 383228605.

It is not an unprimeable number, because it can be changed into a prime (383228641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2227988 + ... + 2228159.

It is an arithmetic number, because the mean of its divisors is an integer number (73526442).

Almost surely, 2383228642 is an apocalyptic number.

383228642 is a deficient number, since it is larger than the sum of its proper divisors (204982894).

383228642 is a wasteful number, since it uses less digits than its factorization.

383228642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4456192.

The product of its digits is 110592, while the sum is 38.

The square root of 383228642 is about 19576.2264494463. The cubic root of 383228642 is about 726.3612266904.

It can be divided in two parts, 38322 and 8642, that added together give a palindrome (46964).

The spelling of 383228642 in words is "three hundred eighty-three million, two hundred twenty-eight thousand, six hundred forty-two".

Divisors: 1 2 43 86 4456147 8912294 191614321 383228642