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2748136 = 23343517
BaseRepresentation
bin1010011110111011101000
312011121201211
422132323220
51200420021
6134522504
732234026
oct12367350
95147654
102748136
111607796
12b06434
13752b21
14517716
153943e1
hex29eee8

2748136 has 8 divisors (see below), whose sum is σ = 5152770. Its totient is φ = 1374064.

The previous prime is 2748133. The next prime is 2748149. The reversal of 2748136 is 6318472.

It can be written as a sum of positive squares in only one way, i.e., 1425636 + 1322500 = 1194^2 + 1150^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 2748098 and 2748107.

It is not an unprimeable number, because it can be changed into a prime (2748131) 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 as a sum of consecutive naturals, namely, 171751 + ... + 171766.

22748136 is an apocalyptic number.

It is an amenable number.

2748136 is a deficient number, since it is larger than the sum of its proper divisors (2404634).

2748136 is a wasteful number, since it uses less digits than its factorization.

2748136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343523 (or 343519 counting only the distinct ones).

The product of its digits is 8064, while the sum is 31.

The square root of 2748136 is about 1657.7502827628. The cubic root of 2748136 is about 140.0703048247.

The spelling of 2748136 in words is "two million, seven hundred forty-eight thousand, one hundred thirty-six".

Divisors: 1 2 4 8 343517 687034 1374068 2748136