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2012208 = 2431137103
BaseRepresentation
bin111101011010000110000
310210020020020
413223100300
51003342313
6111043440
723050332
oct7532060
93706206
102012208
111154890
12810580
13555b73
143a5452
1529b323
hex1eb430

2012208 has 80 divisors (see below), whose sum is σ = 5880576. Its totient is φ = 587520.

The previous prime is 2012203. The next prime is 2012221. The reversal of 2012208 is 8022102.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2012203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19485 + ... + 19587.

22012208 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 2012208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2940288).

2012208 is an abundant number, since it is smaller than the sum of its proper divisors (3868368).

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

2012208 is a wasteful number, since it uses less digits than its factorization.

2012208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2012208 is about 1418.5231757007. The cubic root of 2012208 is about 126.2479370966.

The spelling of 2012208 in words is "two million, twelve thousand, two hundred eight".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 33 37 44 48 66 74 88 103 111 132 148 176 206 222 264 296 309 407 412 444 528 592 618 814 824 888 1133 1221 1236 1628 1648 1776 2266 2442 2472 3256 3399 3811 4532 4884 4944 6512 6798 7622 9064 9768 11433 13596 15244 18128 19536 22866 27192 30488 41921 45732 54384 60976 83842 91464 125763 167684 182928 251526 335368 503052 670736 1006104 2012208