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2742768 = 24337907
BaseRepresentation
bin1010011101100111110000
312011100101000
422131213300
51200232033
6134442000
732212260
oct12354760
95140330
102742768
111603756
12b03300
13750552
145157a0
15392a13
hex29d9f0

2742768 has 80 divisors (see below), whose sum is σ = 9007360. Its totient is φ = 782784.

The previous prime is 2742757. The next prime is 2742769. The reversal of 2742768 is 8672472.

2742768 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

2742768 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2742769) 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, 2571 + ... + 3477.

It is an arithmetic number, because the mean of its divisors is an integer number (112592).

22742768 is an apocalyptic number.

2742768 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 2742768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4503680).

2742768 is an abundant number, since it is smaller than the sum of its proper divisors (6264592).

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

2742768 is a wasteful number, since it uses less digits than its factorization.

2742768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931 (or 919 counting only the distinct ones).

The product of its digits is 37632, while the sum is 36.

The square root of 2742768 is about 1656.1304296462. The cubic root of 2742768 is about 139.9790444825.

It can be divided in two parts, 27427 and 68, that added together give a triangular number (27495 = T234).

The spelling of 2742768 in words is "two million, seven hundred forty-two thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 36 42 48 54 56 63 72 84 108 112 126 144 168 189 216 252 336 378 432 504 756 907 1008 1512 1814 2721 3024 3628 5442 6349 7256 8163 10884 12698 14512 16326 19047 21768 24489 25396 32652 38094 43536 48978 50792 57141 65304 76188 97956 101584 114282 130608 152376 171423 195912 228564 304752 342846 391824 457128 685692 914256 1371384 2742768