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80117050 = 25213232233
BaseRepresentation
bin1001100011001…
…11110100111010
312120202100221011
410301213310322
5131002221200
611541104134
71661661256
oct461476472
9176670834
1080117050
1141251142
12229b804a
13137a1750
14a8d7266
1570785ba
hex4c67d3a

80117050 has 72 divisors (see below), whose sum is σ = 168481404. Its totient is φ = 28174080.

The previous prime is 80117033. The next prime is 80117069. The reversal of 80117050 is 5071108.

It can be written as a sum of positive squares in 6 ways, for example, as 6517809 + 73599241 = 2553^2 + 8579^2 .

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, 343734 + ... + 343966.

Almost surely, 280117050 is an apocalyptic number.

80117050 is an abundant number, since it is smaller than the sum of its proper divisors (88364354).

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

80117050 is a wasteful number, since it uses less digits than its factorization.

80117050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304 (or 276 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 22.

The square root of 80117050 is about 8950.8128122534. The cubic root of 80117050 is about 431.0969827495.

Adding to 80117050 its reverse (5071108), we get a palindrome (85188158).

The spelling of 80117050 in words is "eighty million, one hundred seventeen thousand, fifty".

Divisors: 1 2 5 10 13 23 25 26 46 50 65 115 130 230 233 299 325 466 529 575 598 650 1058 1150 1165 1495 2330 2645 2990 3029 5290 5359 5825 6058 6877 7475 10718 11650 13225 13754 14950 15145 26450 26795 30290 34385 53590 68770 69667 75725 123257 133975 139334 151450 171925 246514 267950 343850 348335 616285 696670 1232570 1602341 1741675 3081425 3204682 3483350 6162850 8011705 16023410 40058525 80117050