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196382880 = 253555051
BaseRepresentation
bin10111011010010…
…01000010100000
3111200112021200000
423231021002200
5400233223010
631253100000
74603140561
oct1355110240
9450467600
10196382880
11a0942401
1255927600
13318bbab5
141c120168
15123927c0
hexbb490a0

196382880 has 144 divisors (see below), whose sum is σ = 695114784. Its totient is φ = 52358400.

The previous prime is 196382863. The next prime is 196382903. The reversal of 196382880 is 88283691.

196382880 is a `hidden beast` number, since 1 + 9 + 638 + 2 + 8 + 8 + 0 = 666.

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

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36355 + ... + 41405.

It is an arithmetic number, because the mean of its divisors is an integer number (4827186).

Almost surely, 2196382880 is an apocalyptic number.

196382880 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 196382880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (347557392).

196382880 is an abundant number, since it is smaller than the sum of its proper divisors (498731904).

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

196382880 is an equidigital number, since it uses as much as digits as its factorization.

196382880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5081 (or 5061 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 196382880 is about 14013.6676141544. The cubic root of 196382880 is about 581.2565701651.

The spelling of 196382880 in words is "one hundred ninety-six million, three hundred eighty-two thousand, eight 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 72 80 81 90 96 108 120 135 144 160 162 180 216 240 243 270 288 324 360 405 432 480 486 540 648 720 810 864 972 1080 1215 1296 1440 1620 1944 2160 2430 2592 3240 3888 4320 4860 5051 6480 7776 9720 10102 12960 15153 19440 20204 25255 30306 38880 40408 45459 50510 60612 75765 80816 90918 101020 121224 136377 151530 161632 181836 202040 227295 242448 272754 303060 363672 404080 409131 454590 484896 545508 606120 681885 727344 808160 818262 909180 1091016 1212240 1227393 1363770 1454688 1636524 1818360 2045655 2182032 2424480 2454786 2727540 3273048 3636720 4091310 4364064 4909572 5455080 6136965 6546096 7273440 8182620 9819144 10910160 12273930 13092192 16365240 19638288 21820320 24547860 32730480 39276576 49095720 65460960 98191440 196382880