Search a number
-
+
104231321 = 1919727847
BaseRepresentation
bin1100011011001…
…11000110011001
321021010111111022
412031213012121
5203140400241
614202012225
72403644255
oct615470631
9237114438
10104231321
1153921597
122aaa7075
131879574c
14dbb3265
15923d54b
hex6367199

104231321 has 8 divisors (see below), whose sum is σ = 110278080. Its totient is φ = 98240688.

The previous prime is 104231287. The next prime is 104231341. The reversal of 104231321 is 123132401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-104231321 is a prime.

It is a super-3 number, since 3×1042313213 (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 104231321.

It is not an unprimeable number, because it can be changed into a prime (104231341) 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, 10181 + ... + 17666.

It is an arithmetic number, because the mean of its divisors is an integer number (13784760).

Almost surely, 2104231321 is an apocalyptic number.

It is an amenable number.

104231321 is a deficient number, since it is larger than the sum of its proper divisors (6046759).

104231321 is a wasteful number, since it uses less digits than its factorization.

104231321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28063.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 104231321 is about 10209.3741727885. The cubic root of 104231321 is about 470.6153415982.

Adding to 104231321 its reverse (123132401), we get a palindrome (227363722).

The spelling of 104231321 in words is "one hundred four million, two hundred thirty-one thousand, three hundred twenty-one".

Divisors: 1 19 197 3743 27847 529093 5485859 104231321