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8494749 = 324123021
BaseRepresentation
bin100000011001…
…111010011101
3120222120121100
4200121322131
54133312444
6502023313
7132130014
oct40317235
916876540
108494749
11488225a
122a17b39
1319b56a3
1411b1a7b
15b2be69
hex819e9d

8494749 has 12 divisors (see below), whose sum is σ = 12570012. Its totient is φ = 5524800.

The previous prime is 8494727. The next prime is 8494753. The reversal of 8494749 is 9474948.

8494749 is digitally balanced in base 2, 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 2 ways, for example, as 710649 + 7784100 = 843^2 + 2790^2 .

It is a de Polignac number, because none of the positive numbers 2k-8494749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8494769) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11142 + ... + 11879.

It is an arithmetic number, because the mean of its divisors is an integer number (1047501).

Almost surely, 28494749 is an apocalyptic number.

It is an amenable number.

8494749 is a deficient number, since it is larger than the sum of its proper divisors (4075263).

8494749 is a wasteful number, since it uses less digits than its factorization.

8494749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23068 (or 23065 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 8494749 is about 2914.5752692288. The cubic root of 8494749 is about 204.0407213980.

The spelling of 8494749 in words is "eight million, four hundred ninety-four thousand, seven hundred forty-nine".

Divisors: 1 3 9 41 123 369 23021 69063 207189 943861 2831583 8494749