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3800881397 is a prime number
BaseRepresentation
bin1110001010001100…
…1101100011110101
3100210220000210002002
43202203031203311
530241011201042
61425054025045
7163121646605
oct34243154365
910726023062
103800881397
1116805534a5
128a0aa8185
134875b5661
14280b20c05
15173a42132
hexe28cd8f5

3800881397 has 2 divisors, whose sum is σ = 3800881398. Its totient is φ = 3800881396.

The previous prime is 3800881393. The next prime is 3800881451. The reversal of 3800881397 is 7931880083.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3583937956 + 216943441 = 59866^2 + 14729^2 .

It is a cyclic number.

It is not a de Polignac number, because 3800881397 - 22 = 3800881393 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3800881393) 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, 1900440698 + 1900440699.

It is an arithmetic number, because the mean of its divisors is an integer number (1900440699).

Almost surely, 23800881397 is an apocalyptic number.

It is an amenable number.

3800881397 is a deficient number, since it is larger than the sum of its proper divisors (1).

3800881397 is an equidigital number, since it uses as much as digits as its factorization.

3800881397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 47.

The square root of 3800881397 is about 61651.2886888831. The cubic root of 3800881397 is about 1560.6113915447.

The spelling of 3800881397 in words is "three billion, eight hundred million, eight hundred eighty-one thousand, three hundred ninety-seven".