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104320221 = 3291199083
BaseRepresentation
bin1100011011111…
…00110011011101
321021022000102220
412031330303131
5203201221341
614203535553
72404464405
oct615746335
9237260386
10104320221
1153982365
122ab2a5b9
13187c7055
14dbd7805
159259a66
hex637ccdd

104320221 has 8 divisors (see below), whose sum is σ = 143890080. Its totient is φ = 67148592.

The previous prime is 104320219. The next prime is 104320231. The reversal of 104320221 is 122023401.

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

It is not a de Polignac number, because 104320221 - 21 = 104320219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 104320221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104320231) 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 7 ways as a sum of consecutive naturals, for example, 599455 + ... + 599628.

It is an arithmetic number, because the mean of its divisors is an integer number (17986260).

Almost surely, 2104320221 is an apocalyptic number.

It is an amenable number.

104320221 is a deficient number, since it is larger than the sum of its proper divisors (39569859).

104320221 is a wasteful number, since it uses less digits than its factorization.

104320221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1199115.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 104320221 is about 10213.7270866222. The cubic root of 104320221 is about 470.7491011838.

Adding to 104320221 its reverse (122023401), we get a palindrome (226343622).

The spelling of 104320221 in words is "one hundred four million, three hundred twenty thousand, two hundred twenty-one".

Divisors: 1 3 29 87 1199083 3597249 34773407 104320221