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221104130 = 25131700801
BaseRepresentation
bin11010010110111…
…00100000000010
3120102001020211212
431023130200002
5423100313010
633535010122
75323232312
oct1513344002
9512036755
10221104130
11103897895
1262069942
1336a66160
1421517442
1514627505
hexd2dc802

221104130 has 16 divisors (see below), whose sum is σ = 428602104. Its totient is φ = 81638400.

The previous prime is 221104127. The next prime is 221104133. The reversal of 221104130 is 31401122.

221104130 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (221104127) and next prime (221104133).

It can be written as a sum of positive squares in 4 ways, for example, as 66275881 + 154828249 = 8141^2 + 12443^2 .

It is not an unprimeable number, because it can be changed into a prime (221104133) 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, 850271 + ... + 850530.

Almost surely, 2221104130 is an apocalyptic number.

221104130 is a deficient number, since it is larger than the sum of its proper divisors (207497974).

221104130 is a wasteful number, since it uses less digits than its factorization.

221104130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1700821.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 221104130 is about 14869.5706057707. The cubic root of 221104130 is about 604.6893015702.

Adding to 221104130 its reverse (31401122), we get a palindrome (252505252).

The spelling of 221104130 in words is "two hundred twenty-one million, one hundred four thousand, one hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 1700801 3401602 8504005 17008010 22110413 44220826 110552065 221104130