Search a number
-
+
4145123244 = 223491970223
BaseRepresentation
bin1111011100010001…
…1000111110101100
3101200212210002010010
43313010120332230
531442122420434
61523152213220
7204501652263
oct36704307654
911625702103
104145123244
1118378a5499
1297823a210
13510a03962
142b472d5da
15193d8e9e9
hexf7118fac

4145123244 has 24 divisors (see below), whose sum is σ = 9674058240. Its totient is φ = 1381407184.

The previous prime is 4145123221. The next prime is 4145123249. The reversal of 4145123244 is 4423215414.

It is not an unprimeable number, because it can be changed into a prime (4145123249) 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, 23917 + ... + 94139.

It is an arithmetic number, because the mean of its divisors is an integer number (403085760).

Almost surely, 24145123244 is an apocalyptic number.

It is an amenable number.

4145123244 is an abundant number, since it is smaller than the sum of its proper divisors (5528934996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4145123244 is a wasteful number, since it uses less digits than its factorization.

4145123244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75149 (or 75147 counting only the distinct ones).

The product of its digits is 15360, while the sum is 30.

The square root of 4145123244 is about 64382.6315398804. The cubic root of 4145123244 is about 1606.3708546916.

Adding to 4145123244 its reverse (4423215414), we get a palindrome (8568338658).

The spelling of 4145123244 in words is "four billion, one hundred forty-five million, one hundred twenty-three thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 12 4919 9838 14757 19676 29514 59028 70223 140446 210669 280892 421338 842676 345426937 690853874 1036280811 1381707748 2072561622 4145123244