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1028394467 is a prime number
BaseRepresentation
bin111101010011000…
…000110111100011
32122200002211222222
4331103000313203
54101232110332
6250014021255
734325131412
oct7523006743
92580084888
101028394467
11488557a91
122484a782b
1313509c449
149a81d479
156043e712
hex3d4c0de3

1028394467 has 2 divisors, whose sum is σ = 1028394468. Its totient is φ = 1028394466.

The previous prime is 1028394463. The next prime is 1028394511. The reversal of 1028394467 is 7644938201.

It is an a-pointer prime, because the next prime (1028394511) can be obtained adding 1028394467 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1028394467 - 22 = 1028394463 is a prime.

It is not a weakly prime, because it can be changed into another prime (1028394463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514197233 + 514197234.

It is an arithmetic number, because the mean of its divisors is an integer number (514197234).

Almost surely, 21028394467 is an apocalyptic number.

1028394467 is a deficient number, since it is larger than the sum of its proper divisors (1).

1028394467 is an equidigital number, since it uses as much as digits as its factorization.

1028394467 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 1028394467 is about 32068.5900376053. The cubic root of 1028394467 is about 1009.3766264093.

The spelling of 1028394467 in words is "one billion, twenty-eight million, three hundred ninety-four thousand, four hundred sixty-seven".