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12085000 = 23542417
BaseRepresentation
bin101110000110…
…011100001000
3211201222111121
4232012130020
511043210000
61111005024
7204502144
oct56063410
924658447
1012085000
116904704
124069774
1326718b5
141868224
1510dab1a
hexb86708

12085000 has 40 divisors (see below), whose sum is σ = 28326870. Its totient is φ = 4832000.

The previous prime is 12084997. The next prime is 12085001. The reversal of 12085000 is 58021.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 2010724 + 10074276 = 1418^2 + 3174^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12085001) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3792 + ... + 6208.

Almost surely, 212085000 is an apocalyptic number.

12085000 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 12085000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14163435).

12085000 is an abundant number, since it is smaller than the sum of its proper divisors (16241870).

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

12085000 is an equidigital number, since it uses as much as digits as its factorization.

12085000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2443 (or 2424 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 12085000 is about 3476.3486591537. The cubic root of 12085000 is about 229.4821366920.

The spelling of 12085000 in words is "twelve million, eighty-five thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 625 1000 1250 2417 2500 4834 5000 9668 12085 19336 24170 48340 60425 96680 120850 241700 302125 483400 604250 1208500 1510625 2417000 3021250 6042500 12085000