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1440005029 is a prime number
BaseRepresentation
bin101010111010100…
…1011101110100101
310201100121211112121
41111311023232211
510422120130104
6354520145541
750453561251
oct12565135645
93640554477
101440005029
11679933101
123423082b1
1319c4476a8
14d9367261
1586648254
hex55d4bba5

1440005029 has 2 divisors, whose sum is σ = 1440005030. Its totient is φ = 1440005028.

The previous prime is 1440004997. The next prime is 1440005053. The reversal of 1440005029 is 9205000441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1034908900 + 405096129 = 32170^2 + 20127^2 .

It is a cyclic number.

It is not a de Polignac number, because 1440005029 - 25 = 1440004997 is a prime.

It is a super-2 number, since 2×14400050292 = 4147228967090581682, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1440004994 and 1440005012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1440005069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 720002514 + 720002515.

It is an arithmetic number, because the mean of its divisors is an integer number (720002515).

Almost surely, 21440005029 is an apocalyptic number.

It is an amenable number.

1440005029 is a deficient number, since it is larger than the sum of its proper divisors (1).

1440005029 is an equidigital number, since it uses as much as digits as its factorization.

1440005029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1440005029 is about 37947.3981848558. The cubic root of 1440005029 is about 1129.2445492308.

The spelling of 1440005029 in words is "one billion, four hundred forty million, five thousand, twenty-nine".