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190398200 = 23522693539
BaseRepresentation
bin10110101100100…
…11111011111000
3111021021020020012
423112103323320
5342220220300
630520521052
74501233536
oct1326237370
9437236205
10190398200
1198524a93
1253920188
13305a4a75
141b403156
1511aae435
hexb593ef8

190398200 has 48 divisors (see below), whose sum is σ = 444447000. Its totient is φ = 75854720.

The previous prime is 190398161. The next prime is 190398217. The reversal of 190398200 is 2893091.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 52031 + ... + 55569.

Almost surely, 2190398200 is an apocalyptic number.

190398200 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 190398200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222223500).

190398200 is an abundant number, since it is smaller than the sum of its proper divisors (254048800).

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

190398200 is a wasteful number, since it uses less digits than its factorization.

190398200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3824 (or 3815 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 190398200 is about 13798.4854241326. The cubic root of 190398200 is about 575.2910435860.

The spelling of 190398200 in words is "one hundred ninety million, three hundred ninety-eight thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 269 538 1076 1345 2152 2690 3539 5380 6725 7078 10760 13450 14156 17695 26900 28312 35390 53800 70780 88475 141560 176950 353900 707800 951991 1903982 3807964 4759955 7615928 9519910 19039820 23799775 38079640 47599550 95199100 190398200