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381077413 is a prime number
BaseRepresentation
bin10110101101101…
…100011110100101
3222120001201221021
4112231230132211
51240023434123
6101451451141
712305050603
oct2655543645
9876051837
10381077413
11186121112
12a7756ab1
1360c476c2
143887a873
15236c6c5d
hex16b6c7a5

381077413 has 2 divisors, whose sum is σ = 381077414. Its totient is φ = 381077412.

The previous prime is 381077399. The next prime is 381077449. The reversal of 381077413 is 314770183.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 367987489 + 13089924 = 19183^2 + 3618^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-381077413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (381077713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190538706 + 190538707.

It is an arithmetic number, because the mean of its divisors is an integer number (190538707).

Almost surely, 2381077413 is an apocalyptic number.

It is an amenable number.

381077413 is a deficient number, since it is larger than the sum of its proper divisors (1).

381077413 is an equidigital number, since it uses as much as digits as its factorization.

381077413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 381077413 is about 19521.2041892912. The cubic root of 381077413 is about 724.9995484738. Note that the first 3 decimals are identical.

The spelling of 381077413 in words is "three hundred eighty-one million, seventy-seven thousand, four hundred thirteen".