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834072969 = 3278024323
BaseRepresentation
bin110001101101101…
…111000110001001
32011010110022000110
4301231233012021
53202010313334
6214433024533
726445334422
oct6155570611
92133408013
10834072969
113988a3404
121b33b5149
13103a52a02
147cab8649
154d357ae9
hex31b6f189

834072969 has 4 divisors (see below), whose sum is σ = 1112097296. Its totient is φ = 556048644.

The previous prime is 834072937. The next prime is 834072977. The reversal of 834072969 is 969270438.

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 not a de Polignac number, because 834072969 - 25 = 834072937 is a prime.

It is a super-2 number, since 2×8340729692 = 1391355435232949922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (834072919) 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, 139012159 + ... + 139012164.

It is an arithmetic number, because the mean of its divisors is an integer number (278024324).

Almost surely, 2834072969 is an apocalyptic number.

It is an amenable number.

834072969 is a deficient number, since it is larger than the sum of its proper divisors (278024327).

834072969 is a wasteful number, since it uses less digits than its factorization.

834072969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278024326.

The product of its (nonzero) digits is 653184, while the sum is 48.

The square root of 834072969 is about 28880.3214836677. The cubic root of 834072969 is about 941.3143560772.

The spelling of 834072969 in words is "eight hundred thirty-four million, seventy-two thousand, nine hundred sixty-nine".

Divisors: 1 3 278024323 834072969