Search a number
-
+
85982160 = 24351132569
BaseRepresentation
bin1010001111111…
…11101111010000
312222210100100110
411013333233100
5134002412120
612310521320
72062556565
oct507775720
9188710313
1085982160
1144597740
1224966240
1314a76224
14b5c286c
1578362e0
hex51ffbd0

85982160 has 80 divisors (see below), whose sum is σ = 290784960. Its totient is φ = 20843520.

The previous prime is 85982147. The next prime is 85982167. The reversal of 85982160 is 6128958.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85982167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13645 + ... + 18924.

It is an arithmetic number, because the mean of its divisors is an integer number (3634812).

Almost surely, 285982160 is an apocalyptic number.

85982160 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

85982160 is an abundant number, since it is smaller than the sum of its proper divisors (204802800).

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

85982160 is a wasteful number, since it uses less digits than its factorization.

85982160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32596 (or 32590 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 85982160 is about 9272.6565772706. The cubic root of 85982160 is about 441.3699724868.

The spelling of 85982160 in words is "eighty-five million, nine hundred eighty-two thousand, one hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 33 40 44 48 55 60 66 80 88 110 120 132 165 176 220 240 264 330 440 528 660 880 1320 2640 32569 65138 97707 130276 162845 195414 260552 325690 358259 390828 488535 521104 651380 716518 781656 977070 1074777 1302760 1433036 1563312 1791295 1954140 2149554 2605520 2866072 3582590 3908280 4299108 5373885 5732144 7165180 7816560 8598216 10747770 14330360 17196432 21495540 28660720 42991080 85982160