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380741761 is a prime number
BaseRepresentation
bin10110101100011…
…010100010000001
3222112102200111201
4112230122202001
51234432214021
6101440341201
712302152201
oct2654324201
9875380451
10380741761
11185a11a14
12a7614801
1360b5a9aa
14387d0401
152365c591
hex16b1a881

380741761 has 2 divisors, whose sum is σ = 380741762. Its totient is φ = 380741760.

The previous prime is 380741759. The next prime is 380741773. The reversal of 380741761 is 167147083.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 310852161 + 69889600 = 17631^2 + 8360^2 .

It is a cyclic number.

It is not a de Polignac number, because 380741761 - 21 = 380741759 is a prime.

It is a super-2 number, since 2×3807417612 = 289928577138762242, which contains 22 as substring.

Together with 380741759, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 380741761.

It is not a weakly prime, because it can be changed into another prime (380741731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190370880 + 190370881.

It is an arithmetic number, because the mean of its divisors is an integer number (190370881).

Almost surely, 2380741761 is an apocalyptic number.

It is an amenable number.

380741761 is a deficient number, since it is larger than the sum of its proper divisors (1).

380741761 is an equidigital number, since it uses as much as digits as its factorization.

380741761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 380741761 is about 19512.6051822918. The cubic root of 380741761 is about 724.7866267053.

The spelling of 380741761 in words is "three hundred eighty million, seven hundred forty-one thousand, seven hundred sixty-one".