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1000056437 is a prime number
BaseRepresentation
bin111011100110111…
…010011001110101
32120200210010112022
4323212322121311
54022003301222
6243122402525
733532224302
oct7346723165
92520703468
101000056437
11473562226
1223ab00445
1312c259a93
1496b640a9
155cbe3042
hex3b9ba675

1000056437 has 2 divisors, whose sum is σ = 1000056438. Its totient is φ = 1000056436.

The previous prime is 1000056427. The next prime is 1000056443. The reversal of 1000056437 is 7346500001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 911677636 + 88378801 = 30194^2 + 9401^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000056437 - 212 = 1000052341 is a prime.

It is a super-2 number, since 2×10000564372 = 2000225754370269938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000056427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500028218 + 500028219.

It is an arithmetic number, because the mean of its divisors is an integer number (500028219).

Almost surely, 21000056437 is an apocalyptic number.

It is an amenable number.

1000056437 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000056437 is an equidigital number, since it uses as much as digits as its factorization.

1000056437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 1000056437 is about 31623.6689364153. The cubic root of 1000056437 is about 1000.0188119794.

Adding to 1000056437 its reverse (7346500001), we get a palindrome (8346556438).

The spelling of 1000056437 in words is "one billion, fifty-six thousand, four hundred thirty-seven".