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313050212 = 22251311803
BaseRepresentation
bin10010101010001…
…100010001100100
3210211001121011022
4102222030101210
51120120101322
651021430312
710520611556
oct2252142144
9724047138
10313050212
11150788292
1288a0b398
134cb19b17
142d80d4d6
151c73a942
hex12a8c464

313050212 has 12 divisors (see below), whose sum is σ = 550022256. Its totient is φ = 155901000.

The previous prime is 313050203. The next prime is 313050239. The reversal of 313050212 is 212050313.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154898 + ... + 156905.

It is an arithmetic number, because the mean of its divisors is an integer number (45835188).

Almost surely, 2313050212 is an apocalyptic number.

It is an amenable number.

313050212 is a deficient number, since it is larger than the sum of its proper divisors (236972044).

313050212 is a wasteful number, since it uses less digits than its factorization.

313050212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312058 (or 312056 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 313050212 is about 17693.2250310677. The cubic root of 313050212 is about 679.0024386753.

The spelling of 313050212 in words is "three hundred thirteen million, fifty thousand, two hundred twelve".

Divisors: 1 2 4 251 502 1004 311803 623606 1247212 78262553 156525106 313050212