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12030000 = 24354401
BaseRepresentation
bin101101111001…
…000000110000
3211122012001120
4231321000300
511034430000
61105502240
7204152613
oct55710060
924565046
1012030000
116877354
124041980
132652858
14185217a
1510c96a0
hexb79030

12030000 has 100 divisors (see below), whose sum is σ = 38931288. Its totient is φ = 3200000.

The previous prime is 12029987. The next prime is 12030017. The reversal of 12030000 is 3021.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 29800 + ... + 30200.

Almost surely, 212030000 is an apocalyptic number.

12030000 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 12030000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19465644).

12030000 is an abundant number, since it is smaller than the sum of its proper divisors (26901288).

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

12030000 is an equidigital number, since it uses as much as digits as its factorization.

12030000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432 (or 411 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 6.

The square root of 12030000 is about 3468.4290392049. The cubic root of 12030000 is about 229.1334754501.

Adding to 12030000 its reverse (3021), we get a palindrome (12033021).

The spelling of 12030000 in words is "twelve million, thirty thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 100 120 125 150 200 240 250 300 375 400 401 500 600 625 750 802 1000 1200 1203 1250 1500 1604 1875 2000 2005 2406 2500 3000 3208 3750 4010 4812 5000 6000 6015 6416 7500 8020 9624 10000 10025 12030 15000 16040 19248 20050 24060 30000 30075 32080 40100 48120 50125 60150 80200 96240 100250 120300 150375 160400 200500 240600 250625 300750 401000 481200 501250 601500 751875 802000 1002500 1203000 1503750 2005000 2406000 3007500 4010000 6015000 12030000