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199084280 = 23517192811
BaseRepresentation
bin10111101110111…
…00100011111000
3111212121112021212
423313130203320
5401431144110
631431022252
74635121433
oct1367344370
9455545255
10199084280
11a2417a6a
125680a988
1332326565
141c62481a
1512727e05
hexbddc8f8

199084280 has 96 divisors (see below), whose sum is σ = 501182640. Its totient is φ = 70917120.

The previous prime is 199084273. The next prime is 199084283. The reversal of 199084280 is 82480991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199084283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 245075 + ... + 245885.

Almost surely, 2199084280 is an apocalyptic number.

199084280 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 199084280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250591320).

199084280 is an abundant number, since it is smaller than the sum of its proper divisors (302098360).

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

199084280 is a wasteful number, since it uses less digits than its factorization.

199084280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877 (or 854 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 41.

The square root of 199084280 is about 14109.7228888451. The cubic root of 199084280 is about 583.9096548177.

The spelling of 199084280 in words is "one hundred ninety-nine million, eighty-four thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 17 19 20 34 38 40 68 76 85 95 136 152 170 190 323 340 361 380 646 680 722 760 811 1292 1444 1615 1622 1805 2584 2888 3230 3244 3610 4055 6137 6460 6488 7220 8110 12274 12920 13787 14440 15409 16220 24548 27574 30685 30818 32440 49096 55148 61370 61636 68935 77045 110296 122740 123272 137870 154090 245480 261953 275740 292771 308180 523906 551480 585542 616360 1047812 1171084 1309765 1463855 2095624 2342168 2619530 2927710 4977107 5239060 5855420 9954214 10478120 11710840 19908428 24885535 39816856 49771070 99542140 199084280