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2745568 = 257217103
BaseRepresentation
bin1010011110010011100000
312011111012201
422132103200
51200324233
6134502544
732223400
oct12362340
95144181
102745568
111605871
12b04a54
137518c7
14516800
1539377d
hex29e4e0

2745568 has 72 divisors (see below), whose sum is σ = 6722352. Its totient is φ = 1096704.

The previous prime is 2745541. The next prime is 2745569. The reversal of 2745568 is 8655472.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2745569) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26605 + ... + 26707.

It is an arithmetic number, because the mean of its divisors is an integer number (93366).

22745568 is an apocalyptic number.

2745568 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 2745568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3361176).

2745568 is an abundant number, since it is smaller than the sum of its proper divisors (3976784).

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

2745568 is a wasteful number, since it uses less digits than its factorization.

2745568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 129 counting only the distinct ones).

The product of its digits is 67200, while the sum is 37.

The square root of 2745568 is about 1656.9755580575. The cubic root of 2745568 is about 140.0266615889.

The spelling of 2745568 in words is "two million, seven hundred forty-five thousand, five hundred sixty-eight".

Divisors: 1 2 4 7 8 14 16 17 28 32 34 49 56 68 98 103 112 119 136 196 206 224 238 272 392 412 476 544 721 784 824 833 952 1442 1568 1648 1666 1751 1904 2884 3296 3332 3502 3808 5047 5768 6664 7004 10094 11536 12257 13328 14008 20188 23072 24514 26656 28016 40376 49028 56032 80752 85799 98056 161504 171598 196112 343196 392224 686392 1372784 2745568