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104130221 = 13591271069
BaseRepresentation
bin1100011010011…
…10011010101101
321020221100210212
412031032122231
5203124131341
614155512205
72403043436
oct615163255
9236840725
10104130221
1153862638
122aa58665
131875b720
14db8848d
15921d5eb
hex634e6ad

104130221 has 16 divisors (see below), whose sum is σ = 115046400. Its totient is φ = 93659328.

The previous prime is 104130217. The next prime is 104130281. The reversal of 104130221 is 122031401.

It is a cyclic number.

It is not a de Polignac number, because 104130221 - 22 = 104130217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 104130196 and 104130205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104130211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96875 + ... + 97943.

It is an arithmetic number, because the mean of its divisors is an integer number (7190400).

Almost surely, 2104130221 is an apocalyptic number.

It is an amenable number.

104130221 is a deficient number, since it is larger than the sum of its proper divisors (10916179).

104130221 is a wasteful number, since it uses less digits than its factorization.

104130221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1268.

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

The square root of 104130221 is about 10204.4216396619. The cubic root of 104130221 is about 470.4631333428.

Adding to 104130221 its reverse (122031401), we get a palindrome (226161622).

The spelling of 104130221 in words is "one hundred four million, one hundred thirty thousand, two hundred twenty-one".

Divisors: 1 13 59 127 767 1069 1651 7493 13897 63071 97409 135763 819923 1764919 8010017 104130221