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2748057 = 313312273
BaseRepresentation
bin1010011110111010011001
312011121121220
422132322121
51200414212
6134522253
732233554
oct12367231
95147556
102748057
111607724
12b06389
13752a90
1451769b
1539438c
hex29ee99

2748057 has 16 divisors (see below), whose sum is σ = 4075008. Its totient is φ = 1635840.

The previous prime is 2748041. The next prime is 2748059. The reversal of 2748057 is 7508472.

It is not a de Polignac number, because 2748057 - 24 = 2748041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2748059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73 + ... + 2345.

It is an arithmetic number, because the mean of its divisors is an integer number (254688).

22748057 is an apocalyptic number.

It is an amenable number.

2748057 is a deficient number, since it is larger than the sum of its proper divisors (1326951).

2748057 is a wasteful number, since it uses less digits than its factorization.

2748057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2320.

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 2748057 is about 1657.7264551186. The cubic root of 2748057 is about 140.0689626228.

It can be divided in two parts, 27 and 48057, that added together give a palindrome (48084).

The spelling of 2748057 in words is "two million, seven hundred forty-eight thousand, fifty-seven".

Divisors: 1 3 13 31 39 93 403 1209 2273 6819 29549 70463 88647 211389 916019 2748057