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2705248 = 25713929
BaseRepresentation
bin1010010100011101100000
312002102220101
422110131200
51143031443
6133552144
731665010
oct12243540
95072811
102705248
111588547
12aa5654
13739450
14505c40
1538684d
hex294760

2705248 has 48 divisors (see below), whose sum is σ = 6562080. Its totient is φ = 1069056.

The previous prime is 2705243. The next prime is 2705249. The reversal of 2705248 is 8425072.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2705243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2448 + ... + 3376.

It is an arithmetic number, because the mean of its divisors is an integer number (136710).

22705248 is an apocalyptic number.

2705248 is a gapful number since it is divisible by the number (28) 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 2705248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3281040).

2705248 is an abundant number, since it is smaller than the sum of its proper divisors (3856832).

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

2705248 is a wasteful number, since it uses less digits than its factorization.

2705248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959 (or 951 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 2705248 is about 1644.7638128315. The cubic root of 2705248 is about 139.3378253527.

The spelling of 2705248 in words is "two million, seven hundred five thousand, two hundred forty-eight".

Divisors: 1 2 4 7 8 13 14 16 26 28 32 52 56 91 104 112 182 208 224 364 416 728 929 1456 1858 2912 3716 6503 7432 12077 13006 14864 24154 26012 29728 48308 52024 84539 96616 104048 169078 193232 208096 338156 386464 676312 1352624 2705248