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312914225 = 52134322391
BaseRepresentation
bin10010101001101…
…011000100110001
3210210210200121202
4102221223010301
51120101223400
651014500545
710516504241
oct2251530461
9723720552
10312914225
111506a50a8
1288964755
134ca9cc60
142d7b5b21
151c7104d5
hex12a6b131

312914225 has 24 divisors (see below), whose sum is σ = 427597632. Its totient is φ = 225691200.

The previous prime is 312914221. The next prime is 312914227. The reversal of 312914225 is 522419213.

It is not a de Polignac number, because 312914225 - 22 = 312914221 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (312914221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2780 + ... + 25170.

It is an arithmetic number, because the mean of its divisors is an integer number (17816568).

Almost surely, 2312914225 is an apocalyptic number.

It is an amenable number.

312914225 is a deficient number, since it is larger than the sum of its proper divisors (114683407).

312914225 is a wasteful number, since it uses less digits than its factorization.

312914225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22457 (or 22452 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 312914225 is about 17689.3817020268. The cubic root of 312914225 is about 678.9041063372.

The spelling of 312914225 in words is "three hundred twelve million, nine hundred fourteen thousand, two hundred twenty-five".

Divisors: 1 5 13 25 43 65 215 325 559 1075 2795 13975 22391 111955 291083 559775 962813 1455415 4814065 7277075 12516569 24070325 62582845 312914225