Search a number
-
+
5630381 is a prime number
BaseRepresentation
bin10101011110100110101101
3101121001102122
4111132212231
52420133011
6320402325
765600051
oct25364655
911531378
105630381
1131a6209
121a763a5
1312219b3
14a67c61
157633db
hex55e9ad

5630381 has 2 divisors, whose sum is σ = 5630382. Its totient is φ = 5630380.

The previous prime is 5630369. The next prime is 5630411. The reversal of 5630381 is 1830365.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5152900 + 477481 = 2270^2 + 691^2 .

It is a cyclic number.

It is not a de Polignac number, because 5630381 - 210 = 5629357 is a prime.

It is a super-2 number, since 2×56303812 = 63402380410322, which contains 22 as substring.

It is a Sophie Germain prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5630381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5630351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2815190 + 2815191.

It is an arithmetic number, because the mean of its divisors is an integer number (2815191).

Almost surely, 25630381 is an apocalyptic number.

It is an amenable number.

5630381 is a deficient number, since it is larger than the sum of its proper divisors (1).

5630381 is an equidigital number, since it uses as much as digits as its factorization.

5630381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 5630381 is about 2372.8423883604. The cubic root of 5630381 is about 177.9013572037.

The spelling of 5630381 in words is "five million, six hundred thirty thousand, three hundred eighty-one".