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104220111 = 3191828423
BaseRepresentation
bin1100011011001…
…00010111001111
321021002221010010
412031210113033
5203140020421
614201444303
72403566502
oct615442717
9237087103
10104220111
1153914126
122aaa0693
1318790608
14dbad139
15923a076
hex63645cf

104220111 has 8 divisors (see below), whose sum is σ = 146273920. Its totient is φ = 65823192.

The previous prime is 104220097. The next prime is 104220121. The reversal of 104220111 is 111022401.

It is a happy number.

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

It is not a de Polignac number, because 104220111 - 218 = 103957967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104220121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 914155 + ... + 914268.

It is an arithmetic number, because the mean of its divisors is an integer number (18284240).

Almost surely, 2104220111 is an apocalyptic number.

104220111 is a deficient number, since it is larger than the sum of its proper divisors (42053809).

104220111 is a wasteful number, since it uses less digits than its factorization.

104220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1828445.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 104220111 is about 10208.8251527784. The cubic root of 104220111 is about 470.5984695516.

Adding to 104220111 its reverse (111022401), we get a palindrome (215242512).

The spelling of 104220111 in words is "one hundred four million, two hundred twenty thousand, one hundred eleven".

Divisors: 1 3 19 57 1828423 5485269 34740037 104220111