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7969329 = 329412
BaseRepresentation
bin11110011001101000110001
3112222212212100
4132121220301
54020004304
6442451013
7124511124
oct36315061
915885770
107969329
114553525
122803a69
1318604a4
1410b63bb
15a76439
hex799a31

7969329 has 9 divisors (see below), whose sum is σ = 11523499. Its totient is φ = 5307240.

The previous prime is 7969321. The next prime is 7969331. The reversal of 7969329 is 9239697.

The square root of 7969329 is 2823.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 4941729 + 3027600 = 2223^2 + 1740^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 7969329 - 23 = 7969321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7969321) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7999 + ... + 8939.

Almost surely, 27969329 is an apocalyptic number.

7969329 is the 2823-rd square number.

7969329 is the 1412-nd centered octagonal number.

It is an amenable number.

7969329 is a deficient number, since it is larger than the sum of its proper divisors (3554170).

7969329 is an frugal number, since it uses more digits than its factorization.

7969329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1888 (or 944 counting only the distinct ones).

The product of its digits is 183708, while the sum is 45.

The cubic root of 7969329 is about 199.7440810003.

The spelling of 7969329 in words is "seven million, nine hundred sixty-nine thousand, three hundred twenty-nine".

Divisors: 1 3 9 941 2823 8469 885481 2656443 7969329