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305476 = 2276369
BaseRepresentation
bin1001010100101000100
3120112000221
41022211010
534233401
610314124
72411413
oct1124504
9515027
10305476
11199566
12128944
13a9072
147d47a
15607a1
hex4a944

305476 has 6 divisors (see below), whose sum is σ = 534590. Its totient is φ = 152736.

The previous prime is 305471. The next prime is 305477. The reversal of 305476 is 674503.

305476 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 230400 + 75076 = 480^2 + 274^2 .

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 305476.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305471) by changing a digit.

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 as a sum of consecutive naturals, namely, 38181 + ... + 38188.

2305476 is an apocalyptic number.

It is an amenable number.

305476 is a deficient number, since it is larger than the sum of its proper divisors (229114).

305476 is a wasteful number, since it uses less digits than its factorization.

305476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76373 (or 76371 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 305476 is about 552.6988330004. The cubic root of 305476 is about 67.3481543255.

Adding to 305476 its reverse (674503), we get a palindrome (979979).

The spelling of 305476 in words is "three hundred five thousand, four hundred seventy-six".

Divisors: 1 2 4 76369 152738 305476