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245227 = 251977
BaseRepresentation
bin111011110111101011
3110110101111
4323313223
530321402
65131151
72040643
oct736753
9413344
10245227
11158274
12b9ab7
1387808
1465523
154c9d7
hex3bdeb

245227 has 4 divisors (see below), whose sum is σ = 246456. Its totient is φ = 244000.

The previous prime is 245209. The next prime is 245251. The reversal of 245227 is 722542.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 722542 = 2361271.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-245227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 245198 and 245207.

It is not an unprimeable number, because it can be changed into a prime (245257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238 + ... + 739.

It is an arithmetic number, because the mean of its divisors is an integer number (61614).

2245227 is an apocalyptic number.

245227 is a deficient number, since it is larger than the sum of its proper divisors (1229).

245227 is an equidigital number, since it uses as much as digits as its factorization.

245227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228.

The product of its digits is 1120, while the sum is 22.

The square root of 245227 is about 495.2039983683. The cubic root of 245227 is about 62.5925668344.

Adding to 245227 its reverse (722542), we get a palindrome (967769).

The spelling of 245227 in words is "two hundred forty-five thousand, two hundred twenty-seven".

Divisors: 1 251 977 245227