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301220 = 22515061
BaseRepresentation
bin1001001100010100100
3120022012022
41021202210
534114340
610242312
72363123
oct1114244
9508168
10301220
11196347
12126398
13a714a
147baba
155e3b5
hex498a4

301220 has 12 divisors (see below), whose sum is σ = 632604. Its totient is φ = 120480.

The previous prime is 301219. The next prime is 301237. The reversal of 301220 is 22103.

It can be written as a sum of positive squares in 2 ways, for example, as 173056 + 128164 = 416^2 + 358^2 .

It is a junction number, because it is equal to n+sod(n) for n = 301198 and 301207.

It is an unprimeable 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, 7511 + ... + 7550.

It is an arithmetic number, because the mean of its divisors is an integer number (52717).

2301220 is an apocalyptic number.

It is an amenable number.

301220 is an abundant number, since it is smaller than the sum of its proper divisors (331384).

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

301220 is a wasteful number, since it uses less digits than its factorization.

301220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15070 (or 15068 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 301220 is about 548.8351300710. The cubic root of 301220 is about 67.0339176305.

Adding to 301220 its reverse (22103), we get a palindrome (323323).

The spelling of 301220 in words is "three hundred one thousand, two hundred twenty", and thus it is an iban number.

Divisors: 1 2 4 5 10 20 15061 30122 60244 75305 150610 301220