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83730036 = 223132194153
BaseRepresentation
bin1001111110110…
…01111001110100
312211112221000110
410333121321310
5132413330121
612150343020
72034456615
oct477317164
9184487013
1083730036
1143299685
122405aa70
1314468100
14b197c0c
15753dd76
hex4fd9e74

83730036 has 144 divisors (see below), whose sum is σ = 232424640. Its totient is φ = 23362560.

The previous prime is 83730019. The next prime is 83730037. The reversal of 83730036 is 63003738.

It is a happy number.

It is a super-2 number, since 2×837300362 = 14021437857122592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 83729985 and 83730012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83730037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1579786 + ... + 1579838.

It is an arithmetic number, because the mean of its divisors is an integer number (1614060).

Almost surely, 283730036 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 83730036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116212320).

83730036 is an abundant number, since it is smaller than the sum of its proper divisors (148694604).

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

83730036 is a wasteful number, since it uses less digits than its factorization.

83730036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 83730036 is about 9150.4117940123. The cubic root of 83730036 is about 437.4822388436.

The spelling of 83730036 in words is "eighty-three million, seven hundred thirty thousand, thirty-six".

Divisors: 1 2 3 4 6 12 13 19 26 38 39 41 52 53 57 76 78 82 106 114 123 156 159 164 169 212 228 246 247 318 338 492 494 507 533 636 676 689 741 779 988 1007 1014 1066 1378 1482 1558 1599 2014 2028 2067 2132 2173 2337 2756 2964 3021 3116 3198 3211 4028 4134 4346 4674 6042 6396 6422 6519 6929 8268 8692 8957 9348 9633 10127 12084 12844 13038 13091 13858 17914 19266 20254 20787 26076 26182 26871 27716 28249 30381 35828 38532 39273 40508 41287 41574 52364 53742 56498 60762 78546 82574 83148 84747 107484 112996 121524 123861 131651 157092 165148 169494 170183 247722 263302 338988 340366 367237 394953 495444 510549 526604 536731 680732 734474 789906 1021098 1073462 1101711 1468948 1579812 1610193 2042196 2146924 2203422 3220386 4406844 6440772 6977503 13955006 20932509 27910012 41865018 83730036