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313232012 = 2297807299
BaseRepresentation
bin10010101010111…
…000101010001100
3210211101211112122
4102222320222030
51120141411022
651025352112
710522266602
oct2252705214
9724354478
10313232012
111508a1935
1288a98638
134cb817b2
142d859872
151c774742
hex12ab8a8c

313232012 has 12 divisors (see below), whose sum is σ = 553807800. Its totient is φ = 155001216.

The previous prime is 313231981. The next prime is 313232027. The reversal of 313232012 is 210232313.

It is a super-2 number, since 2×3132320122 = 196228586683136288, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 403262 + ... + 404037.

It is an arithmetic number, because the mean of its divisors is an integer number (46150650).

Almost surely, 2313232012 is an apocalyptic number.

It is an amenable number.

313232012 is a deficient number, since it is larger than the sum of its proper divisors (240575788).

313232012 is a wasteful number, since it uses less digits than its factorization.

313232012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807400 (or 807398 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 313232012 is about 17698.3618450974. The cubic root of 313232012 is about 679.1338539674.

Adding to 313232012 its reverse (210232313), we get a palindrome (523464325).

The spelling of 313232012 in words is "three hundred thirteen million, two hundred thirty-two thousand, twelve".

Divisors: 1 2 4 97 194 388 807299 1614598 3229196 78308003 156616006 313232012