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1056780229 is a prime number
BaseRepresentation
bin111110111111010…
…010111111000101
32201122111222221111
4332333102333011
54131013431404
6252510245021
735121324631
oct7677227705
92648458844
101056780229
114a258569a
12255ab6771
1313ac2a75b
14a04cbdc1
1562b9a104
hex3efd2fc5

1056780229 has 2 divisors, whose sum is σ = 1056780230. Its totient is φ = 1056780228.

The previous prime is 1056780227. The next prime is 1056780239. The reversal of 1056780229 is 9220876501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1049889604 + 6890625 = 32402^2 + 2625^2 .

It is a cyclic number.

It is not a de Polignac number, because 1056780229 - 21 = 1056780227 is a prime.

It is a super-2 number, since 2×10567802292 = 2233568904810584882, which contains 22 as substring.

Together with 1056780227, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1056780191 and 1056780200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1056780227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528390114 + 528390115.

It is an arithmetic number, because the mean of its divisors is an integer number (528390115).

Almost surely, 21056780229 is an apocalyptic number.

It is an amenable number.

1056780229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1056780229 is an equidigital number, since it uses as much as digits as its factorization.

1056780229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 1056780229 is about 32508.1563457542. The cubic root of 1056780229 is about 1018.5794106626.

The spelling of 1056780229 in words is "one billion, fifty-six million, seven hundred eighty thousand, two hundred twenty-nine".