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969348649 = 6029160781
BaseRepresentation
bin111001110001110…
…001011000101001
32111120000000100211
4321301301120221
53441123124044
6240104301121
733010220233
oct7161613051
92446000324
10969348649
11458198a95
122307717a1
13125a978a9
1492a4d253
155a179634
hex39c71629

969348649 has 4 divisors (see below), whose sum is σ = 969515460. Its totient is φ = 969181840.

The previous prime is 969348647. The next prime is 969348671. The reversal of 969348649 is 946843969.

969348649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 699338025 + 270010624 = 26445^2 + 16432^2 .

It is a cyclic number.

It is not a de Polignac number, because 969348649 - 21 = 969348647 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 969348593 and 969348602.

It is not an unprimeable number, because it can be changed into a prime (969348643) 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, 74362 + ... + 86419.

It is an arithmetic number, because the mean of its divisors is an integer number (242378865).

Almost surely, 2969348649 is an apocalyptic number.

It is an amenable number.

969348649 is a deficient number, since it is larger than the sum of its proper divisors (166811).

969348649 is a wasteful number, since it uses less digits than its factorization.

969348649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166810.

The product of its digits is 10077696, while the sum is 58.

The square root of 969348649 is about 31134.3644386713. The cubic root of 969348649 is about 989.6766787607.

The spelling of 969348649 in words is "nine hundred sixty-nine million, three hundred forty-eight thousand, six hundred forty-nine".

Divisors: 1 6029 160781 969348649