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80487350 = 25217232179
BaseRepresentation
bin1001100110000…
…10001110110110
312121110011212222
410303002032312
5131101043400
611553042342
71665062666
oct463021666
9177404788
1080487350
1141484379
1222b563b2
13138a1168
14a9921a6
1570ed185
hex4cc23b6

80487350 has 72 divisors (see below), whose sum is σ = 166629960. Its totient is φ = 28821760.

The previous prime is 80487349. The next prime is 80487353. The reversal of 80487350 is 5378408.

It is a self number, because there is not a number n which added to its sum of digits gives 80487350.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80487353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 449561 + ... + 449739.

It is an arithmetic number, because the mean of its divisors is an integer number (2314305).

Almost surely, 280487350 is an apocalyptic number.

80487350 is an abundant number, since it is smaller than the sum of its proper divisors (86142610).

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

80487350 is a wasteful number, since it uses less digits than its factorization.

80487350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254 (or 226 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 80487350 is about 8971.4742378274. The cubic root of 80487350 is about 431.7601370482.

The spelling of 80487350 in words is "eighty million, four hundred eighty-seven thousand, three hundred fifty".

Divisors: 1 2 5 10 17 23 25 34 46 50 85 115 170 179 230 358 391 425 529 575 782 850 895 1058 1150 1790 1955 2645 3043 3910 4117 4475 5290 6086 8234 8950 8993 9775 13225 15215 17986 19550 20585 26450 30430 41170 44965 69989 76075 89930 94691 102925 139978 152150 189382 205850 224825 349945 449650 473455 699890 946910 1609747 1749725 2367275 3219494 3499450 4734550 8048735 16097470 40243675 80487350