Search a number
-
+
4470249825 = 325219867777
BaseRepresentation
bin1000010100111001…
…01001100101100001
3102112112120012221100
410022130221211201
533123340443300
62015324545013
7215530332216
oct41234514541
912475505840
104470249825
111994380948
12a490b2169
1356318b452
143059a3b0d
151b26b3700
hex10a729961

4470249825 has 18 divisors (see below), whose sum is σ = 8006714534. Its totient is φ = 2384133120.

The previous prime is 4470249781. The next prime is 4470249851. The reversal of 4470249825 is 5289420744.

It can be written as a sum of positive squares in 3 ways, for example, as 71774784 + 4398475041 = 8472^2 + 66321^2 .

It is not a de Polignac number, because 4470249825 - 27 = 4470249697 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 9933664 + ... + 9934113.

Almost surely, 24470249825 is an apocalyptic number.

4470249825 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4470249825 is a deficient number, since it is larger than the sum of its proper divisors (3536464709).

4470249825 is a wasteful number, since it uses less digits than its factorization.

4470249825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19867793 (or 19867785 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The square root of 4470249825 is about 66859.9268994515. The cubic root of 4470249825 is about 1647.3173211283.

The spelling of 4470249825 in words is "four billion, four hundred seventy million, two hundred forty-nine thousand, eight hundred twenty-five".

Divisors: 1 3 5 9 15 25 45 75 225 19867777 59603331 99338885 178809993 298016655 496694425 894049965 1490083275 4470249825