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381000713 is a prime number
BaseRepresentation
bin10110101101011…
…001110000001001
3222112220211201112
4112231121300021
51240014010323
6101450100105
712304311152
oct2655316011
9875824645
10381000713
11186079525
12a771a635
1360c1b812
143885a929
15236ae178
hex16b59c09

381000713 has 2 divisors, whose sum is σ = 381000714. Its totient is φ = 381000712.

The previous prime is 381000691. The next prime is 381000731. The reversal of 381000713 is 317000183.

It is a happy number.

Together with next prime (381000731) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 362407369 + 18593344 = 19037^2 + 4312^2 .

It is a cyclic number.

It is not a de Polignac number, because 381000713 - 218 = 380738569 is a prime.

It is not a weakly prime, because it can be changed into another prime (381000733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190500356 + 190500357.

It is an arithmetic number, because the mean of its divisors is an integer number (190500357).

Almost surely, 2381000713 is an apocalyptic number.

It is an amenable number.

381000713 is a deficient number, since it is larger than the sum of its proper divisors (1).

381000713 is an equidigital number, since it uses as much as digits as its factorization.

381000713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 381000713 is about 19519.2395599829. The cubic root of 381000713 is about 724.9509046422.

Adding to 381000713 its reverse (317000183), we get a palindrome (698000896).

The spelling of 381000713 in words is "three hundred eighty-one million, seven hundred thirteen", and thus it is an aban number.