Search a number
-
+
80259312 = 24371714051
BaseRepresentation
bin1001100100010…
…10100011110000
312121000121002010
410302022203300
5131021244222
611544122520
71663123110
oct462124360
9177017063
1080259312
1141339011
1222a66440
1313821423
14a933040
1570a580c
hex4c8a8f0

80259312 has 80 divisors (see below), whose sum is σ = 250912512. Its totient is φ = 21580800.

The previous prime is 80259271. The next prime is 80259313. The reversal of 80259312 is 21395208.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 80259312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80259313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1314 + ... + 12737.

Almost surely, 280259312 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 80259312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125456256).

80259312 is an abundant number, since it is smaller than the sum of its proper divisors (170653200).

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

80259312 is a wasteful number, since it uses less digits than its factorization.

80259312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14086 (or 14080 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 80259312 is about 8958.7561636647. The cubic root of 80259312 is about 431.3519948629.

The spelling of 80259312 in words is "eighty million, two hundred fifty-nine thousand, three hundred twelve".

Divisors: 1 2 3 4 6 7 8 12 14 16 17 21 24 28 34 42 48 51 56 68 84 102 112 119 136 168 204 238 272 336 357 408 476 714 816 952 1428 1904 2856 5712 14051 28102 42153 56204 84306 98357 112408 168612 196714 224816 238867 295071 337224 393428 477734 590142 674448 716601 786856 955468 1180284 1433202 1573712 1672069 1910936 2360568 2866404 3344138 3821872 4721136 5016207 5732808 6688276 10032414 11465616 13376552 20064828 26753104 40129656 80259312