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250304041 = 13212172
BaseRepresentation
bin11101110101101…
…01011000101001
3122102222202121001
432322311120221
51003034212131
640500515001
76126356251
oct1672653051
9572882531
10250304041
11119321149
126b9aba61
133cb1ac00
1425358961
1516e94261
hexeeb5629

250304041 has 9 divisors (see below), whose sum is σ = 271262181. Its totient is φ = 230860032.

The previous prime is 250304029. The next prime is 250304053. The reversal of 250304041 is 140403052.

The square root of 250304041 is 15821.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (250304029) and next prime (250304053).

It can be written as a sum of positive squares in 4 ways, for example, as 70207641 + 180096400 = 8379^2 + 13420^2 .

It is not a de Polignac number, because 250304041 - 27 = 250303913 is a prime.

It is a super-2 number, since 2×2503040412 = 125304225881859362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (250304011) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 205065 + ... + 206281.

Almost surely, 2250304041 is an apocalyptic number.

250304041 is the 15821-st square number.

250304041 is the 7911-st centered octagonal number.

It is an amenable number.

250304041 is a deficient number, since it is larger than the sum of its proper divisors (20958140).

250304041 is an frugal number, since it uses more digits than its factorization.

250304041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2460 (or 1230 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The cubic root of 250304041 is about 630.2157999273.

Adding to 250304041 its reverse (140403052), we get a palindrome (390707093).

The spelling of 250304041 in words is "two hundred fifty million, three hundred four thousand, forty-one".

Divisors: 1 13 169 1217 15821 205673 1481089 19254157 250304041