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12085470 = 2335172633
BaseRepresentation
bin101110000110…
…100011011110
3211202000011000
4232012203132
511043213340
61111011130
7204503415
oct56064336
924660130
1012085470
116904aa1
124069aa6
132671b87
14186847c
1510dad30
hexb868de

12085470 has 64 divisors (see below), whose sum is σ = 34136640. Its totient is φ = 3032064.

The previous prime is 12085457. The next prime is 12085471. The reversal of 12085470 is 7458021.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12085471) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 3274 + ... + 5906.

It is an arithmetic number, because the mean of its divisors is an integer number (533385).

Almost surely, 212085470 is an apocalyptic number.

12085470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12085470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17068320).

12085470 is an abundant number, since it is smaller than the sum of its proper divisors (22051170).

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

12085470 is a wasteful number, since it uses less digits than its factorization.

12085470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2666 (or 2660 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 12085470 is about 3476.4162581601. The cubic root of 12085470 is about 229.4851115977.

The spelling of 12085470 in words is "twelve million, eighty-five thousand, four hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 17 18 27 30 34 45 51 54 85 90 102 135 153 170 255 270 306 459 510 765 918 1530 2295 2633 4590 5266 7899 13165 15798 23697 26330 39495 44761 47394 71091 78990 89522 118485 134283 142182 223805 236970 268566 355455 402849 447610 671415 710910 805698 1208547 1342830 2014245 2417094 4028490 6042735 12085470