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834574321 = 7241272
BaseRepresentation
bin110001101111101…
…001011111110001
32011011101202202001
4301233221133301
53202122334241
6214451454001
726452523200
oct6157513761
92134352661
10834574321
11399106049
121b35b7301
13103b99c79
147cba9237
154d406431
hex31be97f1

834574321 has 9 divisors (see below), whose sum is σ = 971066649. Its totient is φ = 715176084.

The previous prime is 834574313. The next prime is 834574333. The reversal of 834574321 is 123475438.

It is a happy number.

The square root of 834574321 is 28889.

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

It is not a de Polignac number, because 834574321 - 23 = 834574313 is a prime.

It is a super-2 number, since 2×8345743212 = 1393028594545222082, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (834574361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 200160 + ... + 204286.

Almost surely, 2834574321 is an apocalyptic number.

834574321 is the 28889-th square number.

834574321 is the 14445-th centered octagonal number.

It is an amenable number.

834574321 is a deficient number, since it is larger than the sum of its proper divisors (136492328).

834574321 is an frugal number, since it uses more digits than its factorization.

834574321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8268 (or 4134 counting only the distinct ones).

The product of its digits is 80640, while the sum is 37.

The cubic root of 834574321 is about 941.5029228361.

It can be divided in two parts, 83457 and 4321, that added together give a palindrome (87778).

The spelling of 834574321 in words is "eight hundred thirty-four million, five hundred seventy-four thousand, three hundred twenty-one".

Divisors: 1 7 49 4127 28889 202223 17032129 119224903 834574321