Search a number
-
+
6952231 = 111361797
BaseRepresentation
bin11010100001010100100111
3111002012200001
4122201110213
53234432411
6405002131
7113043616
oct32412447
914065601
106952231
113a19350
1223b3347
131595560
14ccd87d
15924dc1
hex6a1527

6952231 has 16 divisors (see below), whose sum is σ = 8311968. Its totient is φ = 5731200.

The previous prime is 6952223. The next prime is 6952241. The reversal of 6952231 is 1322596.

It is a cyclic number.

It is not a de Polignac number, because 6952231 - 23 = 6952223 is a prime.

It is a super-2 number, since 2×69522312 = 96667031754722, which contains 22 as substring.

It is a Duffinian number.

6952231 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 6952231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6952241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8325 + ... + 9121.

It is an arithmetic number, because the mean of its divisors is an integer number (519498).

Almost surely, 26952231 is an apocalyptic number.

6952231 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

6952231 is a deficient number, since it is larger than the sum of its proper divisors (1359737).

6952231 is a wasteful number, since it uses less digits than its factorization.

6952231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882.

The product of its digits is 3240, while the sum is 28.

The square root of 6952231 is about 2636.7083646092. The cubic root of 6952231 is about 190.8569875058.

It can be divided in two parts, 695 and 2231, that added together give a triangular number (2926 = T76).

The spelling of 6952231 in words is "six million, nine hundred fifty-two thousand, two hundred thirty-one".

Divisors: 1 11 13 61 143 671 793 797 8723 8767 10361 48617 113971 534787 632021 6952231