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2728701 = 33101063
BaseRepresentation
bin1010011010001011111101
312010122002000
422122023331
51144304301
6134252513
732123253
oct12321375
95118060
102728701
1115a4128
12ab7139
13747021
145105d3
1538d786
hex29a2fd

2728701 has 8 divisors (see below), whose sum is σ = 4042560. Its totient is φ = 1819116.

The previous prime is 2728669. The next prime is 2728703. The reversal of 2728701 is 1078272.

It is not a de Polignac number, because 2728701 - 25 = 2728669 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 101063 = 2728701 / (2 + 7 + 2 + 8 + 7 + 0 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2728703) 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 7 ways as a sum of consecutive naturals, for example, 50505 + ... + 50558.

It is an arithmetic number, because the mean of its divisors is an integer number (505320).

22728701 is an apocalyptic number.

It is an amenable number.

2728701 is a deficient number, since it is larger than the sum of its proper divisors (1313859).

2728701 is a wasteful number, since it uses less digits than its factorization.

2728701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101072 (or 101066 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

The square root of 2728701 is about 1651.8780221312. The cubic root of 2728701 is about 139.7393278696.

The spelling of 2728701 in words is "two million, seven hundred twenty-eight thousand, seven hundred one".

Divisors: 1 3 9 27 101063 303189 909567 2728701