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671228200 = 235219296091
BaseRepresentation
bin101000000000100…
…010000100101000
31201210000220222201
4220000202010220
52333313300300
6150334425544
722430226346
oct5000420450
91653026881
10671228200
11314988755
121689622b4
13a90a7466
1465208996
153dddc66a
hex28022128

671228200 has 96 divisors (see below), whose sum is σ = 1699668000. Its totient is φ = 245548800.

The previous prime is 671228167. The next prime is 671228267. The reversal of 671228200 is 2822176.

It is an unprimeable 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 23 ways as a sum of consecutive naturals, for example, 107155 + ... + 113245.

It is an arithmetic number, because the mean of its divisors is an integer number (17704875).

Almost surely, 2671228200 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 671228200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (849834000).

671228200 is an abundant number, since it is smaller than the sum of its proper divisors (1028439800).

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

671228200 is a wasteful number, since it uses less digits than its factorization.

671228200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6155 (or 6146 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 671228200 is about 25908.0721011811. The cubic root of 671228200 is about 875.5683708613.

The spelling of 671228200 in words is "six hundred seventy-one million, two hundred twenty-eight thousand, two hundred".

Divisors: 1 2 4 5 8 10 19 20 25 29 38 40 50 58 76 95 100 116 145 152 190 200 232 290 380 475 551 580 725 760 950 1102 1160 1450 1900 2204 2755 2900 3800 4408 5510 5800 6091 11020 12182 13775 22040 24364 27550 30455 48728 55100 60910 110200 115729 121820 152275 176639 231458 243640 304550 353278 462916 578645 609100 706556 883195 925832 1157290 1218200 1413112 1766390 2314580 2893225 3356141 3532780 4415975 4629160 5786450 6712282 7065560 8831950 11572900 13424564 16780705 17663900 23145800 26849128 33561410 35327800 67122820 83903525 134245640 167807050 335614100 671228200