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2499012 = 2236857
BaseRepresentation
bin1001100010000111000100
311200222000000
421202013010
51114432022
6125321300
730145515
oct11420704
94628000
102499012
1114575aa
12a06230
13696609
14490a0c
153456ac
hex2621c4

2499012 has 42 divisors (see below), whose sum is σ = 6564558. Its totient is φ = 832032.

The previous prime is 2498989. The next prime is 2499023. The reversal of 2499012 is 2109942.

It can be written as a sum of positive squares in only one way, i.e., 2452356 + 46656 = 1566^2 + 216^2 .

It is a super-2 number, since 2×24990122 = 12490121952288, which contains 22 as substring.

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

It is a plaindrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 2488 + ... + 3344.

It is an arithmetic number, because the mean of its divisors is an integer number (156299).

22499012 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 2499012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3282279).

2499012 is an abundant number, since it is smaller than the sum of its proper divisors (4065546).

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

2499012 is an equidigital number, since it uses as much as digits as its factorization.

2499012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879 (or 862 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 2499012 is about 1580.8263661769. The cubic root of 2499012 is about 135.7029995099.

It can be divided in two parts, 249 and 9012, that added together give a cube (9261 = 213).

The spelling of 2499012 in words is "two million, four hundred ninety-nine thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 243 324 486 729 857 972 1458 1714 2571 2916 3428 5142 7713 10284 15426 23139 30852 46278 69417 92556 138834 208251 277668 416502 624753 833004 1249506 2499012