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308075 = 5212323
BaseRepresentation
bin1001011001101101011
3120122121012
41023031223
534324300
610334135
72422115
oct1131553
9518535
10308075
111a0509
1212a34b
13aa2c1
14803b5
1561435
hex4b36b

308075 has 6 divisors (see below), whose sum is σ = 382044. Its totient is φ = 246440.

The previous prime is 308051. The next prime is 308081. The reversal of 308075 is 570803.

It is not a de Polignac number, because 308075 - 214 = 291691 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 308075.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6137 + ... + 6186.

It is an arithmetic number, because the mean of its divisors is an integer number (63674).

2308075 is an apocalyptic number.

308075 is a deficient number, since it is larger than the sum of its proper divisors (73969).

308075 is a wasteful number, since it uses less digits than its factorization.

308075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12333 (or 12328 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 308075 is about 555.0450432172. The cubic root of 308075 is about 67.5386153076.

Adding to 308075 its reverse (570803), we get a palindrome (878878).

The spelling of 308075 in words is "three hundred eight thousand, seventy-five".

Divisors: 1 5 25 12323 61615 308075