Search a number
-
+
104512231 = 43113137157
BaseRepresentation
bin1100011101010…
…11101011100111
321021122202211101
412032223223213
5203223342411
614212020531
72406224245
oct616535347
9237582741
10104512231
1153aa364a
122b001747
1318863575
14dc47795
1592968c1
hex63abae7

104512231 has 16 divisors (see below), whose sum is σ = 109368864. Its totient is φ = 99800064.

The previous prime is 104512211. The next prime is 104512249. The reversal of 104512231 is 132215401.

It is a cyclic number.

It is not a de Polignac number, because 104512231 - 217 = 104381159 is a prime.

It is a super-2 number, since 2×1045122312 = 21845612857194722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 104512199 and 104512208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104512211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 665605 + ... + 665761.

It is an arithmetic number, because the mean of its divisors is an integer number (6835554).

Almost surely, 2104512231 is an apocalyptic number.

104512231 is a deficient number, since it is larger than the sum of its proper divisors (4856633).

104512231 is a wasteful number, since it uses less digits than its factorization.

104512231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 104512231 is about 10223.1223703915. The cubic root of 104512231 is about 471.0377417268.

Adding to 104512231 its reverse (132215401), we get a palindrome (236727632).

The spelling of 104512231 in words is "one hundred four million, five hundred twelve thousand, two hundred thirty-one".

Divisors: 1 43 113 137 157 4859 5891 6751 15481 17741 21509 665683 762863 924887 2430517 104512231