Search a number
-
+
865748141 is a prime number
BaseRepresentation
bin110011100110100…
…100010010101101
32020100001120011222
4303212210102231
53233112420031
6221523553125
730311511026
oct6346442255
92210046158
10865748141
11404768435
12201b2b7a5
1310a49330b
1482da1c4d
1551012e7b
hex339a44ad

865748141 has 2 divisors, whose sum is σ = 865748142. Its totient is φ = 865748140.

The previous prime is 865748113. The next prime is 865748201. The reversal of 865748141 is 141847568.

865748141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 864654025 + 1094116 = 29405^2 + 1046^2 .

It is a cyclic number.

It is not a de Polignac number, because 865748141 - 26 = 865748077 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 865748092 and 865748101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (865748101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 432874070 + 432874071.

It is an arithmetic number, because the mean of its divisors is an integer number (432874071).

Almost surely, 2865748141 is an apocalyptic number.

It is an amenable number.

865748141 is a deficient number, since it is larger than the sum of its proper divisors (1).

865748141 is an equidigital number, since it uses as much as digits as its factorization.

865748141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 215040, while the sum is 44.

The square root of 865748141 is about 29423.5983693361. The cubic root of 865748141 is about 953.0825597457.

The spelling of 865748141 in words is "eight hundred sixty-five million, seven hundred forty-eight thousand, one hundred forty-one".