Search a number
-
+
82850880 = 2635712329
BaseRepresentation
bin1001111000000…
…11010001000000
312202220021001010
410330003101000
5132202212010
612115440520
72024135520
oct474032100
9182807033
1082850880
1142849102
12238b6140
131421abb8
14b009680
157418620
hex4f03440

82850880 has 112 divisors (see below), whose sum is σ = 300654720. Its totient is φ = 18935808.

The previous prime is 82850869. The next prime is 82850891. The reversal of 82850880 is 8805828.

It is an interprime number because it is at equal distance from previous prime (82850869) and next prime (82850891).

It is a tau number, because it is divible by the number of its divisors (112).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 556 + ... + 12884.

Almost surely, 282850880 is an apocalyptic number.

82850880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82850880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150327360).

82850880 is an abundant number, since it is smaller than the sum of its proper divisors (217803840).

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

82850880 is a wasteful number, since it uses less digits than its factorization.

82850880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12356 (or 12346 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 39.

The square root of 82850880 is about 9102.2458767054. The cubic root of 82850880 is about 435.9456768163.

The spelling of 82850880 in words is "eighty-two million, eight hundred fifty thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 56 60 64 70 80 84 96 105 112 120 140 160 168 192 210 224 240 280 320 336 420 448 480 560 672 840 960 1120 1344 1680 2240 3360 6720 12329 24658 36987 49316 61645 73974 86303 98632 123290 147948 172606 184935 197264 246580 258909 295896 345212 369870 394528 431515 493160 517818 591792 690424 739740 789056 863030 986320 1035636 1183584 1294545 1380848 1479480 1726060 1972640 2071272 2367168 2589090 2761696 2958960 3452120 3945280 4142544 5178180 5523392 5917920 6904240 8285088 10356360 11835840 13808480 16570176 20712720 27616960 41425440 82850880