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3802149 = 321332497
BaseRepresentation
bin1110100000010000100101
321011011120100
432200100211
51433132044
6213254313
744213661
oct16402045
97134510
103802149
11216767a
121334399
13a317c0
1470d8a1
15501869
hex3a0425

3802149 has 12 divisors (see below), whose sum is σ = 5914636. Its totient is φ = 2339712.

The previous prime is 3802133. The next prime is 3802151. The reversal of 3802149 is 9412083.

It can be written as a sum of positive squares in 2 ways, for example, as 1822500 + 1979649 = 1350^2 + 1407^2 .

It is not a de Polignac number, because 3802149 - 24 = 3802133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3802129) 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, 16132 + ... + 16365.

Almost surely, 23802149 is an apocalyptic number.

3802149 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

3802149 is a deficient number, since it is larger than the sum of its proper divisors (2112487).

3802149 is a wasteful number, since it uses less digits than its factorization.

3802149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32516 (or 32513 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 3802149 is about 1949.9099979230. The cubic root of 3802149 is about 156.0784861467.

The spelling of 3802149 in words is "three million, eight hundred two thousand, one hundred forty-nine".

Divisors: 1 3 9 13 39 117 32497 97491 292473 422461 1267383 3802149