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80938116 = 22347127281
BaseRepresentation
bin1001101001100…
…00010010000100
312122022002020000
410310300102010
5131210004431
612010441300
72001651120
oct464602204
9178262200
1080938116
1141762006
1223133230
13139cb39c
14aa6c580
15718b9e6
hex4d30484

80938116 has 120 divisors (see below), whose sum is σ = 244586496. Its totient is φ = 22861440.

The previous prime is 80938111. The next prime is 80938177. The reversal of 80938116 is 61183908.

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

It is not an unprimeable number, because it can be changed into a prime (80938111) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 287896 + ... + 288176.

Almost surely, 280938116 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 80938116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122293248).

80938116 is an abundant number, since it is smaller than the sum of its proper divisors (163648380).

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

80938116 is a wasteful number, since it uses less digits than its factorization.

80938116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431 (or 420 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 80938116 is about 8996.5613430910. The cubic root of 80938116 is about 432.5646551520.

The spelling of 80938116 in words is "eighty million, nine hundred thirty-eight thousand, one hundred sixteen".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 81 84 108 126 127 162 189 252 254 281 324 378 381 508 562 567 756 762 843 889 1124 1134 1143 1524 1686 1778 1967 2268 2286 2529 2667 3372 3429 3556 3934 4572 5058 5334 5901 6858 7587 7868 8001 10116 10287 10668 11802 13716 15174 16002 17703 20574 22761 23604 24003 30348 32004 35406 35687 41148 45522 48006 53109 70812 71374 72009 91044 96012 106218 107061 142748 144018 159327 212436 214122 249809 288036 318654 321183 428244 499618 637308 642366 749427 963549 999236 1284732 1498854 1927098 2248281 2890647 2997708 3854196 4496562 5781294 6744843 8993124 11562588 13489686 20234529 26979372 40469058 80938116