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328140030 = 23542125981
BaseRepresentation
bin10011100011110…
…000010011111110
3211212110020111110
4103203300103332
51133000440110
652321102450
711063100321
oct2343602376
9755406443
10328140030
11159254509
1291a87a26
1352ca12ca
143181a7b8
151dc1ba20
hex138f04fe

328140030 has 32 divisors (see below), whose sum is σ = 789437088. Its totient is φ = 87292800.

The previous prime is 328140023. The next prime is 328140047. The reversal of 328140030 is 30041823.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 328139979 and 328140006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 361 + ... + 25620.

It is an arithmetic number, because the mean of its divisors is an integer number (24669909).

Almost surely, 2328140030 is an apocalyptic number.

328140030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

328140030 is an abundant number, since it is smaller than the sum of its proper divisors (461297058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

328140030 is a wasteful number, since it uses less digits than its factorization.

328140030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26412.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 328140030 is about 18114.6357954004. The cubic root of 328140030 is about 689.7415751422.

Adding to 328140030 its reverse (30041823), we get a palindrome (358181853).

The spelling of 328140030 in words is "three hundred twenty-eight million, one hundred forty thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 421 842 1263 2105 2526 4210 6315 12630 25981 51962 77943 129905 155886 259810 389715 779430 10938001 21876002 32814003 54690005 65628006 109380010 164070015 328140030