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305376 = 2533181
BaseRepresentation
bin1001010100011100000
3120111220020
41022203200
534233001
610313440
72411211
oct1124340
9514806
10305376
11199485
12128880
13a8cc6
147d408
1560736
hex4a8e0

305376 has 24 divisors (see below), whose sum is σ = 801864. Its totient is φ = 101760.

The previous prime is 305369. The next prime is 305377. The reversal of 305376 is 673503.

305376 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305377) by changing a digit.

305376 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1495 + ... + 1686.

It is an arithmetic number, because the mean of its divisors is an integer number (33411).

2305376 is an apocalyptic number.

305376 is the 350-th centered pentagonal number.

It is an amenable number.

305376 is an abundant number, since it is smaller than the sum of its proper divisors (496488).

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

305376 is a wasteful number, since it uses less digits than its factorization.

305376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3194 (or 3186 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 24.

The square root of 305376 is about 552.6083604145. The cubic root of 305376 is about 67.3408045386.

Adding to 305376 its reverse (673503), we get a palindrome (978879).

The spelling of 305376 in words is "three hundred five thousand, three hundred seventy-six".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 3181 6362 9543 12724 19086 25448 38172 50896 76344 101792 152688 305376