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104130321 = 31737139397
BaseRepresentation
bin1100011010011…
…10011100010001
321020221100221120
412031032130101
5203124132241
614155512453
72403043641
oct615163421
9236840846
10104130321
1153862719
122aa58729
131875b799
14db88521
15921d666
hex634e711

104130321 has 32 divisors (see below), whose sum is σ = 152449920. Its totient is φ = 62954496.

The previous prime is 104130307. The next prime is 104130337. The reversal of 104130321 is 123031401.

It is not a de Polignac number, because 104130321 - 213 = 104122129 is a prime.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 104130321.

It is not an unprimeable number, because it can be changed into a prime (104130371) 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 31 ways as a sum of consecutive naturals, for example, 262095 + ... + 262491.

It is an arithmetic number, because the mean of its divisors is an integer number (4764060).

Almost surely, 2104130321 is an apocalyptic number.

It is an amenable number.

104130321 is a deficient number, since it is larger than the sum of its proper divisors (48319599).

104130321 is a wasteful number, since it uses less digits than its factorization.

104130321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 104130321 is about 10204.4265394975. The cubic root of 104130321 is about 470.4632839436.

Adding to 104130321 its reverse (123031401), we get a palindrome (227161722).

The spelling of 104130321 in words is "one hundred four million, one hundred thirty thousand, three hundred twenty-one".

Divisors: 1 3 17 37 51 111 139 397 417 629 1191 1887 2363 5143 6749 7089 14689 15429 20247 44067 55183 87431 165549 249713 262293 749139 938111 2041771 2814333 6125313 34710107 104130321