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313233012 = 223219457943
BaseRepresentation
bin10010101010111…
…000111001110100
3210211101212220200
4102222320321310
51120141424022
651025400500
710522302531
oct2252707164
9724355820
10313233012
111508a2664
1288a99130
134cb820a1
142d859d88
151c774bac
hex12ab8e74

313233012 has 36 divisors (see below), whose sum is σ = 833458080. Its totient is φ = 98915472.

The previous prime is 313232971. The next prime is 313233023. The reversal of 313233012 is 210332313.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×3132330122 = 196229839613184288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 228288 + ... + 229655.

Almost surely, 2313233012 is an apocalyptic number.

It is an amenable number.

313233012 is an abundant number, since it is smaller than the sum of its proper divisors (520225068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

313233012 is a wasteful number, since it uses less digits than its factorization.

313233012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457972 (or 457967 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 313233012 is about 17698.3900962771. The cubic root of 313233012 is about 679.1345766831.

Adding to 313233012 its reverse (210332313), we get a palindrome (523565325).

The spelling of 313233012 in words is "three hundred thirteen million, two hundred thirty-three thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 19 36 38 57 76 114 171 228 342 684 457943 915886 1373829 1831772 2747658 4121487 5495316 8242974 8700917 16485948 17401834 26102751 34803668 52205502 78308253 104411004 156616506 313233012