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326830172 = 22194300397
BaseRepresentation
bin10011011110110…
…000100001011100
3211202222200201012
4103132300201130
51132132031142
652233034352
711046003434
oct2336604134
9752880635
10326830172
1115853a389
12915559b8
1352933046
14315992c4
151da5d882
hex137b085c

326830172 has 12 divisors (see below), whose sum is σ = 602055720. Its totient is φ = 154814256.

The previous prime is 326830169. The next prime is 326830177. The reversal of 326830172 is 271038623.

It is a happy number.

It is a super-2 number, since 2×3268301722 = 213635922659099168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326830177) 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, 2150123 + ... + 2150274.

It is an arithmetic number, because the mean of its divisors is an integer number (50171310).

Almost surely, 2326830172 is an apocalyptic number.

It is an amenable number.

326830172 is a deficient number, since it is larger than the sum of its proper divisors (275225548).

326830172 is a wasteful number, since it uses less digits than its factorization.

326830172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4300420 (or 4300418 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 326830172 is about 18078.4449552499. Note that the first 3 decimals coincide. The cubic root of 326830172 is about 688.8225890909.

Adding to 326830172 its reverse (271038623), we get a palindrome (597868795).

It can be divided in two parts, 326 and 830172, that multiplied together give a palindrome (270636072).

The spelling of 326830172 in words is "three hundred twenty-six million, eight hundred thirty thousand, one hundred seventy-two".

Divisors: 1 2 4 19 38 76 4300397 8600794 17201588 81707543 163415086 326830172