Base | Representation |
---|---|
bin | 111101010011010… |
… | …011000101001111 |
3 | 2122200020122100002 |
4 | 331103103011033 |
5 | 4101242002241 |
6 | 250015354515 |
7 | 34325562050 |
oct | 7523230517 |
9 | 2580218302 |
10 | 1028469071 |
11 | 4885a9043 |
12 | 248522a3b |
13 | 1350c73a6 |
14 | 9a83c727 |
15 | 6045689b |
hex | 3d4d314f |
1028469071 has 8 divisors (see below), whose sum is σ = 1180965504. Its totient is φ = 877365720.
The previous prime is 1028469067. The next prime is 1028469083. The reversal of 1028469071 is 1709648201.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1028469071 - 22 = 1028469067 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1028469011) 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 7 ways as a sum of consecutive naturals, for example, 346685 + ... + 349638.
It is an arithmetic number, because the mean of its divisors is an integer number (147620688).
Almost surely, 21028469071 is an apocalyptic number.
1028469071 is a deficient number, since it is larger than the sum of its proper divisors (152496433).
1028469071 is an equidigital number, since it uses as much as digits as its factorization.
1028469071 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 696541.
The product of its (nonzero) digits is 24192, while the sum is 38.
The square root of 1028469071 is about 32069.7532107748. The cubic root of 1028469071 is about 1009.4010339415.
The spelling of 1028469071 in words is "one billion, twenty-eight million, four hundred sixty-nine thousand, seventy-one".
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