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3816225 = 325272423
BaseRepresentation
bin1110100011101100100001
321011212212200
432203230201
51434104400
6213443413
744303010
oct16435441
97155780
103816225
112177206
121340569
13a3802a
14714a77
15505b00
hex3a3b21

3816225 has 36 divisors (see below), whose sum is σ = 7814976. Its totient is φ = 1743840.

The previous prime is 3816203. The next prime is 3816233. The reversal of 3816225 is 5226183.

3816225 is a `hidden beast` number, since 38 + 1 + 622 + 5 = 666.

3816225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3816225 - 212 = 3812129 is a prime.

It is a d-powerful number, because it can be written as 38 + 85 + 1 + 68 + 2 + 221 + 53 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 364 + ... + 2786.

Almost surely, 23816225 is an apocalyptic number.

3816225 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3816225 is an abundant number, since it is smaller than the sum of its proper divisors (3998751).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3816225 is a wasteful number, since it uses less digits than its factorization.

3816225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2446 (or 2438 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 3816225 is about 1953.5160608503. The cubic root of 3816225 is about 156.2708558827.

The spelling of 3816225 in words is "three million, eight hundred sixteen thousand, two hundred twenty-five".

Divisors: 1 3 5 7 9 15 21 25 35 45 63 75 105 175 225 315 525 1575 2423 7269 12115 16961 21807 36345 50883 60575 84805 109035 152649 181725 254415 424025 545175 763245 1272075 3816225