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2283890 = 25725979
BaseRepresentation
bin1000101101100101110010
311022000220112
420231211302
51041041030
6120541322
725261400
oct10554562
94260815
102283890
11131aa14
12921842
1361c71b
14436470
15301a95
hex22d972

2283890 has 48 divisors (see below), whose sum is σ = 4924800. Its totient is φ = 760032.

The previous prime is 2283889. The next prime is 2283893. The reversal of 2283890 is 983822.

It is a happy number.

2283890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2283893) 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 23 ways as a sum of consecutive naturals, for example, 28871 + ... + 28949.

It is an arithmetic number, because the mean of its divisors is an integer number (102600).

22283890 is an apocalyptic number.

2283890 is an abundant number, since it is smaller than the sum of its proper divisors (2640910).

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

2283890 is a wasteful number, since it uses less digits than its factorization.

2283890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 2283890 is about 1511.2544458165. The cubic root of 2283890 is about 131.6916970697.

The spelling of 2283890 in words is "two million, two hundred eighty-three thousand, eight hundred ninety".

Divisors: 1 2 5 7 10 14 35 49 59 70 79 98 118 158 245 295 395 413 490 553 590 790 826 1106 2065 2765 2891 3871 4130 4661 5530 5782 7742 9322 14455 19355 23305 28910 32627 38710 46610 65254 163135 228389 326270 456778 1141945 2283890