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40223305 = 547171163
BaseRepresentation
bin1001100101110…
…0001001001001
32210200120000001
42121130021021
540244121210
63554043001
7665615053
oct231341111
983616001
1040223305
1120783401
1211579461
138444395
1454b08d3
1537e803a
hex265c249

40223305 has 8 divisors (see below), whose sum is σ = 49295232. Its totient is φ = 31493808.

The previous prime is 40223303. The next prime is 40223311. The reversal of 40223305 is 50332204.

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

It is a cyclic number.

It is not a de Polignac number, because 40223305 - 21 = 40223303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40223303) 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 7 ways as a sum of consecutive naturals, for example, 85347 + ... + 85816.

It is an arithmetic number, because the mean of its divisors is an integer number (6161904).

Almost surely, 240223305 is an apocalyptic number.

It is an amenable number.

40223305 is a deficient number, since it is larger than the sum of its proper divisors (9071927).

40223305 is a wasteful number, since it uses less digits than its factorization.

40223305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171215.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 40223305 is about 6342.1845605438. The cubic root of 40223305 is about 342.6304190127.

Adding to 40223305 its reverse (50332204), we get a palindrome (90555509).

The spelling of 40223305 in words is "forty million, two hundred twenty-three thousand, three hundred five".

Divisors: 1 5 47 235 171163 855815 8044661 40223305