Search a number
-
+
457225 = 5218289
BaseRepresentation
bin1101111101000001001
3212020012021
41233220021
5104112400
613444441
73613006
oct1575011
9766167
10457225
1129257a
121a0721
13130162
14bc8ad
159071a
hex6fa09

457225 has 6 divisors (see below), whose sum is σ = 566990. Its totient is φ = 365760.

The previous prime is 457213. The next prime is 457229. The reversal of 457225 is 522754.

It can be written as a sum of positive squares in 3 ways, for example, as 139129 + 318096 = 373^2 + 564^2 .

It is not a de Polignac number, because 457225 - 27 = 457097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 18289 = 457225 / (4 + 5 + 7 + 2 + 2 + 5).

It is a d-powerful number, because it can be written as 45 + 52 + 23 + 7 + 216 + 58 .

It is a self number, because there is not a number n which added to its sum of digits gives 457225.

It is not an unprimeable number, because it can be changed into a prime (457229) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9120 + ... + 9169.

2457225 is an apocalyptic number.

It is an amenable number.

457225 is a deficient number, since it is larger than the sum of its proper divisors (109765).

457225 is a wasteful number, since it uses less digits than its factorization.

457225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18299 (or 18294 counting only the distinct ones).

The product of its digits is 2800, while the sum is 25.

The square root of 457225 is about 676.1841465163. The cubic root of 457225 is about 77.0388851777.

Adding to 457225 its reverse (522754), we get a palindrome (979979).

The spelling of 457225 in words is "four hundred fifty-seven thousand, two hundred twenty-five".

Divisors: 1 5 25 18289 91445 457225