Search a number
-
+
6997261 = 43162727
BaseRepresentation
bin11010101100010100001101
3111011111102211
4122230110031
53242403021
6405550421
7113322115
oct32542415
914144384
106997261
113a4a167
122415411
1315acbbb
14d02045
159333e1
hex6ac50d

6997261 has 4 divisors (see below), whose sum is σ = 7160032. Its totient is φ = 6834492.

The previous prime is 6997259. The next prime is 6997273. The reversal of 6997261 is 1627996.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6997261 - 21 = 6997259 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 (6997201) 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 3 ways as a sum of consecutive naturals, for example, 81321 + ... + 81406.

It is an arithmetic number, because the mean of its divisors is an integer number (1790008).

Almost surely, 26997261 is an apocalyptic number.

It is an amenable number.

6997261 is a deficient number, since it is larger than the sum of its proper divisors (162771).

6997261 is a wasteful number, since it uses less digits than its factorization.

6997261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162770.

The product of its digits is 40824, while the sum is 40.

The square root of 6997261 is about 2645.2336380743. The cubic root of 6997261 is about 191.2681649342.

The spelling of 6997261 in words is "six million, nine hundred ninety-seven thousand, two hundred sixty-one".

Divisors: 1 43 162727 6997261