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312084234 = 2327211191693
BaseRepresentation
bin10010100110100…
…000011100001010
3210202020112002100
4102212200130022
51114343143414
650545014230
710506446400
oct2246403412
9722215070
10312084234
11150188560
1288624376
134c86c237
142d63b470
151c5e9609
hex129a070a

312084234 has 144 divisors (see below), whose sum is σ = 903782880. Its totient is φ = 76749120.

The previous prime is 312084209. The next prime is 312084257. The reversal of 312084234 is 432480213.

312084234 is a `hidden beast` number, since 31 + 208 + 423 + 4 = 666.

It is a super-2 number, since 2×3120842342 = 194793138222733512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 312084198 and 312084207.

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 71 ways as a sum of consecutive naturals, for example, 183492 + ... + 185184.

It is an arithmetic number, because the mean of its divisors is an integer number (6276270).

Almost surely, 2312084234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312084234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (451891440).

312084234 is an abundant number, since it is smaller than the sum of its proper divisors (591698646).

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

312084234 is a wasteful number, since it uses less digits than its factorization.

312084234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1745 (or 1735 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 312084234 is about 17665.9059773339. The cubic root of 312084234 is about 678.3033205689.

The spelling of 312084234 in words is "three hundred twelve million, eighty-four thousand, two hundred thirty-four".

Divisors: 1 2 3 6 7 9 11 14 18 19 21 22 33 38 42 49 57 63 66 77 98 99 114 126 133 147 154 171 198 209 231 266 294 342 399 418 441 462 539 627 693 798 882 931 1078 1197 1254 1386 1463 1617 1693 1862 1881 2394 2793 2926 3234 3386 3762 4389 4851 5079 5586 8379 8778 9702 10158 10241 11851 13167 15237 16758 18623 20482 23702 26334 30474 30723 32167 35553 37246 55869 61446 64334 71106 82957 92169 96501 106659 111738 130361 165914 167607 184338 193002 213318 225169 248871 260722 289503 335214 353837 391083 450338 497742 579006 675507 707674 746613 782166 912527 1061511 1173249 1351014 1493226 1576183 1825054 2026521 2123022 2346498 2476859 2737581 3152366 3184533 4053042 4728549 4953718 5475162 6369066 7430577 8212743 9457098 14185647 14861154 16425486 17338013 22291731 28371294 34676026 44583462 52014039 104028078 156042117 312084234