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310000312 = 23137282847
BaseRepresentation
bin10010011110100…
…011101010111000
3210121022122111001
4102132203222320
51113330002222
650432214344
710452646666
oct2236435270
9717278431
10310000312
11149a94906
128799a3b4
134c2bc84b
142d257c36
151c336e27
hex127a3ab8

310000312 has 16 divisors (see below), whose sum is σ = 585495360. Its totient is φ = 153868224.

The previous prime is 310000309. The next prime is 310000349. The reversal of 310000312 is 213000013.

It is a super-2 number, since 2×3100003122 = 192200386880194688, which contains 22 as substring.

It is a zygodrome in base 5.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140328 + ... + 142519.

It is an arithmetic number, because the mean of its divisors is an integer number (36593460).

Almost surely, 2310000312 is an apocalyptic number.

It is an amenable number.

310000312 is a deficient number, since it is larger than the sum of its proper divisors (275495048).

310000312 is a wasteful number, since it uses less digits than its factorization.

310000312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282990 (or 282986 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 310000312 is about 17606.8257218614. The cubic root of 310000312 is about 676.7901722627.

Adding to 310000312 its reverse (213000013), we get a palindrome (523000325).

The spelling of 310000312 in words is "three hundred ten million, three hundred twelve", and thus it is an aban number.

Divisors: 1 2 4 8 137 274 548 1096 282847 565694 1131388 2262776 38750039 77500078 155000156 310000312