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2285997 = 37215551
BaseRepresentation
bin1000101110000110101101
311022010210120
420232012231
51041122442
6120555153
725300500
oct10560655
94263716
102285997
11132155a
12922ab9
1362067c
14437137
153024ec
hex22e1ad

2285997 has 12 divisors (see below), whose sum is σ = 3545856. Its totient is φ = 1306200.

The previous prime is 2285981. The next prime is 2286013. The reversal of 2285997 is 7995822.

2285997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2285981) and next prime (2286013).

It is not a de Polignac number, because 2285997 - 24 = 2285981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2285917) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 7629 + ... + 7922.

It is an arithmetic number, because the mean of its divisors is an integer number (295488).

22285997 is an apocalyptic number.

It is an amenable number.

2285997 is a deficient number, since it is larger than the sum of its proper divisors (1259859).

2285997 is a wasteful number, since it uses less digits than its factorization.

2285997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15568 (or 15561 counting only the distinct ones).

The product of its digits is 90720, while the sum is 42.

The square root of 2285997 is about 1511.9513881074. The cubic root of 2285997 is about 131.7321819620.

The spelling of 2285997 in words is "two million, two hundred eighty-five thousand, nine hundred ninety-seven".

Divisors: 1 3 7 21 49 147 15551 46653 108857 326571 761999 2285997