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86993046 = 23271722389
BaseRepresentation
bin1010010111101…
…10100010010110
320001200201000200
411023312202112
5134232234141
612344321330
72104300020
oct513664226
9201621020
1086993046
1145118188
1225173246
131503b39a
14b7a7010
157985ab6
hex52f6896

86993046 has 72 divisors (see below), whose sum is σ = 228923760. Its totient is φ = 23383296.

The previous prime is 86993003. The next prime is 86993083. The reversal of 86993046 is 64039968.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 86992992 and 86993010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 35220 + ... + 37608.

Almost surely, 286993046 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86993046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114461880).

86993046 is an abundant number, since it is smaller than the sum of its proper divisors (141930714).

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

86993046 is a wasteful number, since it uses less digits than its factorization.

86993046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2438 (or 2418 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 86993046 is about 9327.0062721111. The cubic root of 86993046 is about 443.0929559141.

The spelling of 86993046 in words is "eighty-six million, nine hundred ninety-three thousand, forty-six".

Divisors: 1 2 3 6 7 9 14 17 18 21 34 42 51 63 102 119 126 153 238 289 306 357 578 714 867 1071 1734 2023 2142 2389 2601 4046 4778 5202 6069 7167 12138 14334 16723 18207 21501 33446 36414 40613 43002 50169 81226 100338 121839 150507 243678 284291 301014 365517 568582 690421 731034 852873 1380842 1705746 2071263 2558619 4142526 4832947 5117238 6213789 9665894 12427578 14498841 28997682 43496523 86993046