Search a number
-
+
1028171323 = 23431039607
BaseRepresentation
bin111101010010001…
…010011000111011
32122122200111220101
4331102022120323
54101202440243
6250005140231
734323212014
oct7522123073
92578614811
101028171323
11488415373
122483ba677
131350219ca
149a7a200b
15603e854d
hex3d48a63b

1028171323 has 8 divisors (see below), whose sum is σ = 1097826048. Its totient is φ = 960595944.

The previous prime is 1028171321. The next prime is 1028171341. The reversal of 1028171323 is 3231718201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1028171323 - 21 = 1028171321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1028171291 and 1028171300.

It is not an unprimeable number, because it can be changed into a prime (1028171321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 518815 + ... + 520792.

It is an arithmetic number, because the mean of its divisors is an integer number (137228256).

Almost surely, 21028171323 is an apocalyptic number.

1028171323 is a deficient number, since it is larger than the sum of its proper divisors (69654725).

1028171323 is a wasteful number, since it uses less digits than its factorization.

1028171323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039673.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 1028171323 is about 32065.1106812373. The cubic root of 1028171323 is about 1009.3036153103.

Adding to 1028171323 its reverse (3231718201), we get a palindrome (4259889524).

The spelling of 1028171323 in words is "one billion, twenty-eight million, one hundred seventy-one thousand, three hundred twenty-three".

Divisors: 1 23 43 989 1039607 23910961 44703101 1028171323