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221412103 = 1197207509
BaseRepresentation
bin11010011001001…
…11101100000111
3120102121220022021
431030213230013
5423140141403
633545344011
75325654223
oct1514475407
9512556267
10221412103
11103a88210
1262198007
1336b433a3
1421597783
15146888bd
hexd327b07

221412103 has 8 divisors (see below), whose sum is σ = 244031760. Its totient is φ = 199207680.

The previous prime is 221412101. The next prime is 221412119. The reversal of 221412103 is 301214122.

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 221412103 - 21 = 221412101 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221412101) 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, 102688 + ... + 104821.

It is an arithmetic number, because the mean of its divisors is an integer number (30503970).

Almost surely, 2221412103 is an apocalyptic number.

221412103 is a deficient number, since it is larger than the sum of its proper divisors (22619657).

221412103 is a wasteful number, since it uses less digits than its factorization.

221412103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207617.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 221412103 is about 14879.9228156600. The cubic root of 221412103 is about 604.9699258780.

Adding to 221412103 its reverse (301214122), we get a palindrome (522626225).

The spelling of 221412103 in words is "two hundred twenty-one million, four hundred twelve thousand, one hundred three".

Divisors: 1 11 97 1067 207509 2282599 20128373 221412103