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1048585081 is a prime number
BaseRepresentation
bin111110100000000…
…010001101111001
32201002002122022111
4332200002031321
54121414210311
6252014452321
734661553235
oct7640021571
92632078274
101048585081
11498998545
122532040a1
1313931b55b
149d3975c5
15620cbd21
hex3e802379

1048585081 has 2 divisors, whose sum is σ = 1048585082. Its totient is φ = 1048585080.

The previous prime is 1048585079. The next prime is 1048585093. The reversal of 1048585081 is 1805858401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 620757225 + 427827856 = 24915^2 + 20684^2 .

It is a cyclic number.

It is not a de Polignac number, because 1048585081 - 21 = 1048585079 is a prime.

It is a super-2 number, since 2×10485850812 = 2199061344191553122, which contains 22 as substring.

Together with 1048585079, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1048585061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 524292540 + 524292541.

It is an arithmetic number, because the mean of its divisors is an integer number (524292541).

Almost surely, 21048585081 is an apocalyptic number.

It is an amenable number.

1048585081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1048585081 is an equidigital number, since it uses as much as digits as its factorization.

1048585081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51200, while the sum is 40.

The square root of 1048585081 is about 32381.8634578061. The cubic root of 1048585081 is about 1015.9396060289.

The spelling of 1048585081 in words is "one billion, forty-eight million, five hundred eighty-five thousand, eighty-one".