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1830000900 = 2235271367033
BaseRepresentation
bin110110100010011…
…1001100100000100
311201112110200022010
41231010321210010
512221440012100
6501331134220
763230515410
oct15504714404
94645420263
101830000900
11859a95842
12430a44370
13232195590
14135085d40
15aa9d2750
hex6d139904

1830000900 has 144 divisors (see below), whose sum is σ = 6516777344. Its totient is φ = 386104320.

The previous prime is 1830000889. The next prime is 1830000917. The reversal of 1830000900 is 90000381.

It is a Harshad number since it is a multiple of its sum of digits (21).

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 47 ways as a sum of consecutive naturals, for example, 6217 + ... + 60816.

Almost surely, 21830000900 is an apocalyptic number.

1830000900 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 1830000900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3258388672).

1830000900 is an abundant number, since it is smaller than the sum of its proper divisors (4686776444).

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

1830000900 is a wasteful number, since it uses less digits than its factorization.

1830000900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67070 (or 67063 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 1830000900 is about 42778.5097917167. The cubic root of 1830000900 is about 1223.1614012113.

The spelling of 1830000900 in words is "one billion, eight hundred thirty million, nine hundred", and thus it is an aban number.

Divisors: 1 2 3 4 5 6 7 10 12 13 14 15 20 21 25 26 28 30 35 39 42 50 52 60 65 70 75 78 84 91 100 105 130 140 150 156 175 182 195 210 260 273 300 325 350 364 390 420 455 525 546 650 700 780 910 975 1050 1092 1300 1365 1820 1950 2100 2275 2730 3900 4550 5460 6825 9100 13650 27300 67033 134066 201099 268132 335165 402198 469231 670330 804396 871429 938462 1005495 1340660 1407693 1675825 1742858 1876924 2010990 2346155 2614287 2815386 3351650 3485716 4021980 4357145 4692310 5027475 5228574 5630772 6100003 6703300 7038465 8714290 9384620 10054950 10457148 11730775 12200006 13071435 14076930 17428580 18300009 20109900 21785725 23461550 24400012 26142870 28153860 30500015 35192325 36600018 43571450 46923100 52285740 61000030 65357175 70384650 73200036 87142900 91500045 122000060 130714350 140769300 152500075 183000090 261428700 305000150 366000180 457500225 610000300 915000450 1830000900