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1470128489 is a prime number
BaseRepresentation
bin101011110100000…
…0110000101101001
310210110022021011022
41113220012011221
511002323102424
6401513542225
751300612614
oct12750060551
93713267138
101470128489
11694938325
12350414975
131a576391b
14dd36917b
15890e895e
hex57a06169

1470128489 has 2 divisors, whose sum is σ = 1470128490. Its totient is φ = 1470128488.

The previous prime is 1470128449. The next prime is 1470128497. The reversal of 1470128489 is 9848210741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1437547225 + 32581264 = 37915^2 + 5708^2 .

It is a cyclic number.

It is not a de Polignac number, because 1470128489 - 212 = 1470124393 is a prime.

It is a super-2 number, since 2×14701284892 = 4322555548338846242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1470128449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 735064244 + 735064245.

It is an arithmetic number, because the mean of its divisors is an integer number (735064245).

Almost surely, 21470128489 is an apocalyptic number.

It is an amenable number.

1470128489 is a deficient number, since it is larger than the sum of its proper divisors (1).

1470128489 is an equidigital number, since it uses as much as digits as its factorization.

1470128489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129024, while the sum is 44.

The square root of 1470128489 is about 38342.2546155022. The cubic root of 1470128489 is about 1137.0644925253.

The spelling of 1470128489 in words is "one billion, four hundred seventy million, one hundred twenty-eight thousand, four hundred eighty-nine".