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2728132 = 221162003
BaseRepresentation
bin1010011010000011000100
312010121021221
422122003010
51144300012
6134250124
732121511
oct12320304
95117257
102728132
1115a3760
12ab6944
137469a4
14510308
1538d507
hex29a0c4

2728132 has 12 divisors (see below), whose sum is σ = 5208336. Its totient is φ = 1240040.

The previous prime is 2728129. The next prime is 2728163. The reversal of 2728132 is 2318272.

It is a junction number, because it is equal to n+sod(n) for n = 2728097 and 2728106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30958 + ... + 31045.

It is an arithmetic number, because the mean of its divisors is an integer number (434028).

22728132 is an apocalyptic number.

2728132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2728132 is a deficient number, since it is larger than the sum of its proper divisors (2480204).

2728132 is a wasteful number, since it uses less digits than its factorization.

2728132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62018 (or 62016 counting only the distinct ones).

The product of its digits is 1344, while the sum is 25.

The square root of 2728132 is about 1651.7057849387. The cubic root of 2728132 is about 139.7296141871.

The spelling of 2728132 in words is "two million, seven hundred twenty-eight thousand, one hundred thirty-two".

Divisors: 1 2 4 11 22 44 62003 124006 248012 682033 1364066 2728132