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1028453059 = 4323917513
BaseRepresentation
bin111101010011001…
…111001011000011
32122200012211101001
4331103033023003
54101240444214
6250015152431
734325464264
oct7523171303
92580184331
101028453059
11488598007
12248515717
131350c000a
149a83696b
1560451c74
hex3d4cf2c3

1028453059 has 4 divisors (see below), whose sum is σ = 1052370616. Its totient is φ = 1004535504.

The previous prime is 1028453039. The next prime is 1028453081. The reversal of 1028453059 is 9503548201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1028453059 - 29 = 1028452547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1028453039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11958714 + ... + 11958799.

It is an arithmetic number, because the mean of its divisors is an integer number (263092654).

Almost surely, 21028453059 is an apocalyptic number.

1028453059 is a deficient number, since it is larger than the sum of its proper divisors (23917557).

1028453059 is an equidigital number, since it uses as much as digits as its factorization.

1028453059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23917556.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 1028453059 is about 32069.5035664726. The cubic root of 1028453059 is about 1009.3957955362.

The spelling of 1028453059 in words is "one billion, twenty-eight million, four hundred fifty-three thousand, fifty-nine".

Divisors: 1 43 23917513 1028453059