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2728192 = 2810657
BaseRepresentation
bin1010011010000100000000
312010121101011
422122010000
51144300232
6134250304
732121625
oct12320400
95117334
102728192
1115a3805
12ab6994
13746a1c
1451034c
1538d547
hex29a100

2728192 has 18 divisors (see below), whose sum is σ = 5446238. Its totient is φ = 1363968.

The previous prime is 2728171. The next prime is 2728199. The reversal of 2728192 is 2918272.

2728192 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1679616 + 1048576 = 1296^2 + 1024^2 .

It is not an unprimeable number, because it can be changed into a prime (2728199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5073 + ... + 5584.

22728192 is an apocalyptic number.

It is an amenable number.

2728192 is a deficient number, since it is larger than the sum of its proper divisors (2718046).

2728192 is an equidigital number, since it uses as much as digits as its factorization.

2728192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10673 (or 10659 counting only the distinct ones).

The product of its digits is 4032, while the sum is 31.

The square root of 2728192 is about 1651.7239478799. The cubic root of 2728192 is about 139.7306385407.

It can be divided in two parts, 2728 and 192, that multiplied together give a triangular number (523776 = T1023).

The spelling of 2728192 in words is "two million, seven hundred twenty-eight thousand, one hundred ninety-two".

Divisors: 1 2 4 8 16 32 64 128 256 10657 21314 42628 85256 170512 341024 682048 1364096 2728192