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2238012 = 2232783107
BaseRepresentation
bin1000100010011000111100
311012200222100
420202120330
51033104022
6115545100
725010550
oct10423074
94180870
102238012
1112994a7
128bb190
1360488a
14423860
152e31ac
hex22263c

2238012 has 72 divisors (see below), whose sum is σ = 6604416. Its totient is φ = 625824.

The previous prime is 2238011. The next prime is 2238013. The reversal of 2238012 is 2108322.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2238011) and next prime (2238013).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2238011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20863 + ... + 20969.

It is an arithmetic number, because the mean of its divisors is an integer number (91728).

22238012 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 2238012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3302208).

2238012 is an abundant number, since it is smaller than the sum of its proper divisors (4366404).

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

2238012 is a wasteful number, since it uses less digits than its factorization.

2238012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207 (or 202 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2238012 is about 1495.9986631010. The cubic root of 2238012 is about 130.8039333329.

The spelling of 2238012 in words is "two million, two hundred thirty-eight thousand, twelve".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 83 84 107 126 166 214 249 252 321 332 428 498 581 642 747 749 963 996 1162 1284 1494 1498 1743 1926 2247 2324 2988 2996 3486 3852 4494 5229 6741 6972 8881 8988 10458 13482 17762 20916 26643 26964 35524 53286 62167 79929 106572 124334 159858 186501 248668 319716 373002 559503 746004 1119006 2238012