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80065536 = 210367389
BaseRepresentation
bin1001100010110…
…11010000000000
312120122202021020
410301123100000
5130444044121
611540025440
71661355135
oct461332000
9176582236
1080065536
1141216471
1222992280
1313784175
14a8c258c
1570681c6
hex4c5b400

80065536 has 88 divisors (see below), whose sum is σ = 217145760. Its totient is φ = 26222592.

The previous prime is 80065519. The next prime is 80065541. The reversal of 80065536 is 63556008.

It is a junction number, because it is equal to n+sod(n) for n = 80065497 and 80065506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205630 + ... + 206018.

Almost surely, 280065536 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 80065536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108572880).

80065536 is an abundant number, since it is smaller than the sum of its proper divisors (137080224).

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

80065536 is a wasteful number, since it uses less digits than its factorization.

80065536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479 (or 461 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 80065536 is about 8947.9347337808. The cubic root of 80065536 is about 431.0045667516.

It can be divided in two parts, 80065 and 536, that added together give a triangular number (80601 = T401).

The spelling of 80065536 in words is "eighty million, sixty-five thousand, five hundred thirty-six".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 67 96 128 134 192 201 256 268 384 389 402 512 536 768 778 804 1024 1072 1167 1536 1556 1608 2144 2334 3072 3112 3216 4288 4668 6224 6432 8576 9336 12448 12864 17152 18672 24896 25728 26063 34304 37344 49792 51456 52126 68608 74688 78189 99584 102912 104252 149376 156378 199168 205824 208504 298752 312756 398336 417008 597504 625512 834016 1195008 1251024 1668032 2502048 3336064 5004096 6672128 10008192 13344256 20016384 26688512 40032768 80065536