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190084180 = 225111366463
BaseRepresentation
bin10110101010001…
…11010001010100
3111020200021110211
423111013101110
5342130143210
630510055204
74465455166
oct1325072124
9436607424
10190084180
1198330070
12537aa504
13304c4b60
141b360936
1511a4b38a
hexb547454

190084180 has 48 divisors (see below), whose sum is σ = 468969984. Its totient is φ = 63803520.

The previous prime is 190084177. The next prime is 190084229. The reversal of 190084180 is 81480091.

It is a super-2 number, since 2×1900841802 = 72263990972544800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30372 + ... + 36091.

It is an arithmetic number, because the mean of its divisors is an integer number (9770208).

Almost surely, 2190084180 is an apocalyptic number.

190084180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

190084180 is an abundant number, since it is smaller than the sum of its proper divisors (278885804).

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

190084180 is a wasteful number, since it uses less digits than its factorization.

190084180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66496 (or 66494 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 190084180 is about 13787.1019434833. The cubic root of 190084180 is about 574.9745974915.

The spelling of 190084180 in words is "one hundred ninety million, eighty-four thousand, one hundred eighty".

Divisors: 1 2 4 5 10 11 13 20 22 26 44 52 55 65 110 130 143 220 260 286 572 715 1430 2860 66463 132926 265852 332315 664630 731093 864019 1329260 1462186 1728038 2924372 3456076 3655465 4320095 7310930 8640190 9504209 14621860 17280380 19008418 38016836 47521045 95042090 190084180