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104220211 = 157663823
BaseRepresentation
bin1100011011001…
…00011000110011
321021002221020211
412031210120303
5203140021321
614201444551
72403600004
oct615443063
9237087224
10104220211
1153914207
122aaa0757
1318790684
14dbad1ab
15923a0e1
hex6364633

104220211 has 4 divisors (see below), whose sum is σ = 104884192. Its totient is φ = 103556232.

The previous prime is 104220173. The next prime is 104220223. The reversal of 104220211 is 112022401.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-104220211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 104220191 and 104220200.

It is not an unprimeable number, because it can be changed into a prime (104220511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 331755 + ... + 332068.

It is an arithmetic number, because the mean of its divisors is an integer number (26221048).

Almost surely, 2104220211 is an apocalyptic number.

104220211 is a deficient number, since it is larger than the sum of its proper divisors (663981).

104220211 is an equidigital number, since it uses as much as digits as its factorization.

104220211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663980.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 104220211 is about 10208.8300505004. The cubic root of 104220211 is about 470.5986200659.

Adding to 104220211 its reverse (112022401), we get a palindrome (216242612).

The spelling of 104220211 in words is "one hundred four million, two hundred twenty thousand, two hundred eleven".

Divisors: 1 157 663823 104220211