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1862340481 is a prime number
BaseRepresentation
bin110111100000001…
…0000111110000001
311210210022200212101
41233000100332001
512303224343411
6504444230401
764102430041
oct15700207601
94723280771
101862340481
11876273a71
1243b83b401
13238aa9421
141394a3721
15ad76e8c1
hex6f010f81

1862340481 has 2 divisors, whose sum is σ = 1862340482. Its totient is φ = 1862340480.

The previous prime is 1862340443. The next prime is 1862340503. The reversal of 1862340481 is 1840432681.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1089000000 + 773340481 = 33000^2 + 27809^2 .

It is a cyclic number.

It is not a de Polignac number, because 1862340481 - 225 = 1828786049 is a prime.

It is a super-2 number, since 2×18623404812 = 6936624134342622722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1862340481.

It is not a weakly prime, because it can be changed into another prime (1862340401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 931170240 + 931170241.

It is an arithmetic number, because the mean of its divisors is an integer number (931170241).

Almost surely, 21862340481 is an apocalyptic number.

It is an amenable number.

1862340481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1862340481 is an equidigital number, since it uses as much as digits as its factorization.

1862340481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 1862340481 is about 43154.8430769943. The cubic root of 1862340481 is about 1230.3245625968.

The spelling of 1862340481 in words is "one billion, eight hundred sixty-two million, three hundred forty thousand, four hundred eighty-one".