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132727680 = 273357681
BaseRepresentation
bin1111110100101…
…00001110000000
3100020202021011000
413322110032000
5232434241210
621100452000
73201111111
oct772241600
9306667130
10132727680
1168a152a8
123854a000
13216621b7
14138b0208
15b9bbac0
hex7e94380

132727680 has 128 divisors (see below), whose sum is σ = 470138400. Its totient is φ = 35389440.

The previous prime is 132727667. The next prime is 132727691. The reversal of 132727680 is 86727231.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 13440 + ... + 21120.

Almost surely, 2132727680 is an apocalyptic number.

132727680 is a gapful number since it is divisible by the number (10) 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 132727680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235069200).

132727680 is an abundant number, since it is smaller than the sum of its proper divisors (337410720).

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

132727680 is an equidigital number, since it uses as much as digits as its factorization.

132727680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7709 (or 7691 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 132727680 is about 11520.7499755875. The cubic root of 132727680 is about 510.0982509670.

The spelling of 132727680 in words is "one hundred thirty-two million, seven hundred twenty-seven thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 90 96 108 120 128 135 144 160 180 192 216 240 270 288 320 360 384 432 480 540 576 640 720 864 960 1080 1152 1440 1728 1920 2160 2880 3456 4320 5760 7681 8640 15362 17280 23043 30724 38405 46086 61448 69129 76810 92172 115215 122896 138258 153620 184344 207387 230430 245792 276516 307240 345645 368688 414774 460860 491584 553032 614480 691290 737376 829548 921720 983168 1036935 1106064 1228960 1382580 1474752 1659096 1843440 2073870 2212128 2457920 2765160 2949504 3318192 3686880 4147740 4424256 4915840 5530320 6636384 7373760 8295480 8848512 11060640 13272768 14747520 16590960 22121280 26545536 33181920 44242560 66363840 132727680