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312423512 = 2379494341
BaseRepresentation
bin10010100111110…
…011010001011000
3210202212202111012
4102213303101120
51114440023022
651000153052
710512361502
oct2247632130
9722782435
10312423512
1115039a455
1288768788
134c95a7ab
142d6c8d72
151c664de2
hex129f3458

312423512 has 16 divisors (see below), whose sum is σ = 593210400. Its totient is φ = 154234080.

The previous prime is 312423497. The next prime is 312423533. The reversal of 312423512 is 215324213.

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, 246539 + ... + 247802.

It is an arithmetic number, because the mean of its divisors is an integer number (37075650).

Almost surely, 2312423512 is an apocalyptic number.

It is an amenable number.

312423512 is a deficient number, since it is larger than the sum of its proper divisors (280786888).

312423512 is a wasteful number, since it uses less digits than its factorization.

312423512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494426 (or 494422 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 312423512 is about 17675.5059899285. The cubic root of 312423512 is about 678.5490341978.

Adding to 312423512 its reverse (215324213), we get a palindrome (527747725).

The spelling of 312423512 in words is "three hundred twelve million, four hundred twenty-three thousand, five hundred twelve".

Divisors: 1 2 4 8 79 158 316 632 494341 988682 1977364 3954728 39052939 78105878 156211756 312423512