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2732312080 = 2451712971549
BaseRepresentation
bin1010001011011011…
…1100011000010000
321001102022211112201
42202312330120100
521043432441310
61131042532544
7124465161301
oct24266743020
97042284481
102732312080
111182356563
12643067154
133470bac14
141bcc447a8
1510ed18e3a
hexa2dbc610

2732312080 has 80 divisors (see below), whose sum is σ = 6735841200. Its totient is φ = 1027178496.

The previous prime is 2732312041. The next prime is 2732312083. The reversal of 2732312080 is 802132372.

It can be written as a sum of positive squares in 8 ways, for example, as 337971456 + 2394340624 = 18384^2 + 48932^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2732312083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1763146 + ... + 1764694.

It is an arithmetic number, because the mean of its divisors is an integer number (84198015).

Almost surely, 22732312080 is an apocalyptic number.

2732312080 is a gapful number since it is divisible by the number (20) 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 2732312080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3367920600).

2732312080 is an abundant number, since it is smaller than the sum of its proper divisors (4003529120).

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

2732312080 is a wasteful number, since it uses less digits than its factorization.

2732312080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2876 (or 2870 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 2732312080 is about 52271.5226485703. The cubic root of 2732312080 is about 1398.0094295801.

The spelling of 2732312080 in words is "two billion, seven hundred thirty-two million, three hundred twelve thousand, eighty".

Divisors: 1 2 4 5 8 10 16 17 20 34 40 68 80 85 136 170 272 340 680 1297 1360 1549 2594 3098 5188 6196 6485 7745 10376 12392 12970 15490 20752 22049 24784 25940 26333 30980 44098 51880 52666 61960 88196 103760 105332 110245 123920 131665 176392 210664 220490 263330 352784 421328 440980 526660 881960 1053320 1763920 2009053 2106640 4018106 8036212 10045265 16072424 20090530 32144848 34153901 40181060 68307802 80362120 136615604 160724240 170769505 273231208 341539010 546462416 683078020 1366156040 2732312080