Search a number
-
+
6995641 = 29241229
BaseRepresentation
bin11010101011111010111001
3111011102012211
4122223322321
53242330031
6405535121
7113314312
oct32537271
914142184
106995641
113a48a24
1224144a1
1315ac243
14d01609
15932bb1
hex6abeb9

6995641 has 4 divisors (see below), whose sum is σ = 7236900. Its totient is φ = 6754384.

The previous prime is 6995623. The next prime is 6995647. The reversal of 6995641 is 1465996.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1449616 + 5546025 = 1204^2 + 2355^2 .

It is a cyclic number.

It is not a de Polignac number, because 6995641 - 211 = 6993593 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6995594 and 6995603.

It is not an unprimeable number, because it can be changed into a prime (6995647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120586 + ... + 120643.

It is an arithmetic number, because the mean of its divisors is an integer number (1809225).

Almost surely, 26995641 is an apocalyptic number.

It is an amenable number.

6995641 is a deficient number, since it is larger than the sum of its proper divisors (241259).

6995641 is a wasteful number, since it uses less digits than its factorization.

6995641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241258.

The product of its digits is 58320, while the sum is 40.

The square root of 6995641 is about 2644.9274092118. The cubic root of 6995641 is about 191.2534030465.

The spelling of 6995641 in words is "six million, nine hundred ninety-five thousand, six hundred forty-one".

Divisors: 1 29 241229 6995641