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85422708 = 22337192313
BaseRepresentation
bin1010001011101…
…11001001110100
312221201220221000
411011313021310
5133332011313
612250523300
72055036540
oct505671164
9187656830
1085422708
1144245388
1224736530
131490b6a7
14b4b8a20
157775673
hex5177274

85422708 has 144 divisors (see below), whose sum is σ = 267980160. Its totient is φ = 23048064.

The previous prime is 85422683. The next prime is 85422709. The reversal of 85422708 is 80722458.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85422709) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 272760 + ... + 273072.

Almost surely, 285422708 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85422708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133990080).

85422708 is an abundant number, since it is smaller than the sum of its proper divisors (182557452).

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

85422708 is a wasteful number, since it uses less digits than its factorization.

85422708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371 (or 344 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 85422708 is about 9242.4405867714. The cubic root of 85422708 is about 440.4106153104.

The spelling of 85422708 in words is "eighty-five million, four hundred twenty-two thousand, seven hundred eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 19 21 27 28 36 38 42 54 57 63 76 84 108 114 126 133 171 189 228 252 266 313 342 361 378 399 513 532 626 684 722 756 798 939 1026 1083 1197 1252 1444 1596 1878 2052 2166 2191 2394 2527 2817 3249 3591 3756 4332 4382 4788 5054 5634 5947 6498 6573 7182 7581 8451 8764 9747 10108 11268 11894 12996 13146 14364 15162 16902 17841 19494 19719 22743 23788 26292 30324 33804 35682 38988 39438 41629 45486 53523 59157 68229 71364 78876 83258 90972 107046 112993 118314 124887 136458 160569 166516 214092 225986 236628 249774 272916 321138 338979 374661 451972 499548 642276 677958 749322 790951 1016937 1123983 1355916 1498644 1581902 2033874 2247966 2372853 3050811 3163804 4067748 4495932 4745706 6101622 7118559 9491412 12203244 14237118 21355677 28474236 42711354 85422708