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328068251 = 7235338447
BaseRepresentation
bin10011100011011…
…110110010011011
3211212022121000222
4103203132302123
51132441141001
652315350255
711062351130
oct2343366233
9755277028
10328068251
11159205595
1291a5238b
1352c77734
14317dc587
151dc0561b
hex138dec9b

328068251 has 16 divisors (see below), whose sum is σ = 398628864. Its totient is φ = 263893344.

The previous prime is 328068241. The next prime is 328068253. The reversal of 328068251 is 152860823.

It is a cyclic number.

It is not a de Polignac number, because 328068251 - 222 = 323873947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328068253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10691 + ... + 27756.

It is an arithmetic number, because the mean of its divisors is an integer number (24914304).

Almost surely, 2328068251 is an apocalyptic number.

328068251 is a deficient number, since it is larger than the sum of its proper divisors (70560613).

328068251 is a wasteful number, since it uses less digits than its factorization.

328068251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38530.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 328068251 is about 18112.6544437860. The cubic root of 328068251 is about 689.6912789613.

The spelling of 328068251 in words is "three hundred twenty-eight million, sixty-eight thousand, two hundred fifty-one".

Divisors: 1 7 23 53 161 371 1219 8533 38447 269129 884281 2037691 6189967 14263837 46866893 328068251