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190080 = 2733511
BaseRepresentation
bin101110011010000000
3100122202000
4232122000
522040310
64024000
71421112
oct563200
9318660
10190080
1111a8a0
1292000
1368697
144d3b2
153b4c0
hex2e680

190080 has 128 divisors (see below), whose sum is σ = 734400. Its totient is φ = 46080.

The previous prime is 190063. The next prime is 190093. The reversal of 190080 is 80091.

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

It is a super-2 number, since 2×1900802 = 72260812800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 12.

It is a congruent number.

It is an unprimeable number.

190080 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17275 + ... + 17285.

2190080 is an apocalyptic number.

190080 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 190080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (367200).

190080 is an abundant number, since it is smaller than the sum of its proper divisors (544320).

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

190080 is a wasteful number, since it uses less digits than its factorization.

190080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39 (or 21 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 190080 is about 435.9816509900. The cubic root of 190080 is about 57.4970382848.

The spelling of 190080 in words is "one hundred ninety thousand, eighty".

Divisors: 1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 27 30 32 33 36 40 44 45 48 54 55 60 64 66 72 80 88 90 96 99 108 110 120 128 132 135 144 160 165 176 180 192 198 216 220 240 264 270 288 297 320 330 352 360 384 396 432 440 480 495 528 540 576 594 640 660 704 720 792 864 880 960 990 1056 1080 1152 1188 1320 1408 1440 1485 1584 1728 1760 1920 1980 2112 2160 2376 2640 2880 2970 3168 3456 3520 3960 4224 4320 4752 5280 5760 5940 6336 7040 7920 8640 9504 10560 11880 12672 15840 17280 19008 21120 23760 31680 38016 47520 63360 95040 190080