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305363225 = 5283147163
BaseRepresentation
bin10010001100110…
…111100100011001
3210021121001121002
4102030313210121
51111133110400
650144554345
710365354536
oct2214674431
9707531532
10305363225
11147407a02
12863229b5
134b357ccb
142c7abd8d
151bc1ced5
hex12337919

305363225 has 12 divisors (see below), whose sum is σ = 383215056. Its totient is φ = 241345680.

The previous prime is 305363221. The next prime is 305363281. The reversal of 305363225 is 522363503.

It is not a de Polignac number, because 305363225 - 22 = 305363221 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (305363221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71507 + ... + 75656.

It is an arithmetic number, because the mean of its divisors is an integer number (31934588).

Almost surely, 2305363225 is an apocalyptic number.

It is an amenable number.

305363225 is a deficient number, since it is larger than the sum of its proper divisors (77851831).

305363225 is a wasteful number, since it uses less digits than its factorization.

305363225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147256 (or 147251 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 29.

The square root of 305363225 is about 17474.6452038375. The cubic root of 305363225 is about 673.3986548779.

The spelling of 305363225 in words is "three hundred five million, three hundred sixty-three thousand, two hundred twenty-five".

Divisors: 1 5 25 83 415 2075 147163 735815 3679075 12214529 61072645 305363225