Search a number
-
+
245030 = 25107229
BaseRepresentation
bin111011110100100110
3110110010012
4323310212
530320110
65130222
72040242
oct736446
9413105
10245030
11158105
12b9972
13876b6
1465422
154c905
hex3bd26

245030 has 16 divisors (see below), whose sum is σ = 447120. Its totient is φ = 96672.

The previous prime is 245029. The next prime is 245033. The reversal of 245030 is 30542.

245030 = 2462 + 2472 + ... + 2492.

It is a nialpdrome in base 12 and base 14.

It is a junction number, because it is equal to n+sod(n) for n = 244996 and 245014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 956 + ... + 1184.

It is an arithmetic number, because the mean of its divisors is an integer number (27945).

2245030 is an apocalyptic number.

245030 is a deficient number, since it is larger than the sum of its proper divisors (202090).

245030 is a wasteful number, since it uses less digits than its factorization.

245030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343.

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 245030 is about 495.0050504793. The cubic root of 245030 is about 62.5758013626.

Adding to 245030 its reverse (30542), we get a palindrome (275572).

The spelling of 245030 in words is "two hundred forty-five thousand, thirty".

Divisors: 1 2 5 10 107 214 229 458 535 1070 1145 2290 24503 49006 122515 245030