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992160 = 253251353
BaseRepresentation
bin11110010001110100000
31212101222200
43302032200
5223222120
633133200
711301411
oct3621640
91771880
10992160
11618474
123ba200
132897a0
141bb808
15148e90
hexf23a0

992160 has 144 divisors (see below), whose sum is σ = 3714984. Its totient is φ = 239616.

The previous prime is 992153. The next prime is 992179. The reversal of 992160 is 61299.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 725904 + 266256 = 852^2 + 516^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18694 + ... + 18746.

2992160 is an apocalyptic number.

992160 is a gapful number since it is divisible by the number (90) 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 992160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1857492).

992160 is an abundant number, since it is smaller than the sum of its proper divisors (2722824).

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

992160 is a wasteful number, since it uses less digits than its factorization.

992160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87 (or 76 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 992160 is about 996.0722865335. The cubic root of 992160 is about 99.7379807253.

The spelling of 992160 in words is "nine hundred ninety-two thousand, one hundred sixty".

Divisors: 1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 30 32 36 39 40 45 48 52 53 60 65 72 78 80 90 96 104 106 117 120 130 144 156 159 160 180 195 208 212 234 240 260 265 288 312 318 360 390 416 424 468 477 480 520 530 585 624 636 689 720 780 795 848 936 954 1040 1060 1170 1248 1272 1378 1440 1560 1590 1696 1872 1908 2067 2080 2120 2340 2385 2544 2756 3120 3180 3445 3744 3816 4134 4240 4680 4770 5088 5512 6201 6240 6360 6890 7632 8268 8480 9360 9540 10335 11024 12402 12720 13780 15264 16536 18720 19080 20670 22048 24804 25440 27560 31005 33072 38160 41340 49608 55120 62010 66144 76320 82680 99216 110240 124020 165360 198432 248040 330720 496080 992160