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2129008 = 24719009
BaseRepresentation
bin1000000111110001110000
311000011110011
420013301300
51021112013
6113344304
724045010
oct10076160
94004404
102129008
111224612
12868094
1359708b
143d5c40
152c0c3d
hex207c70

2129008 has 20 divisors (see below), whose sum is σ = 4714480. Its totient is φ = 912384.

The previous prime is 2129003. The next prime is 2129011. The reversal of 2129008 is 8009212.

It is a zygodrome in base 3.

It is a self number, because there is not a number n which added to its sum of digits gives 2129008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2129003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9393 + ... + 9616.

It is an arithmetic number, because the mean of its divisors is an integer number (235724).

22129008 is an apocalyptic number.

2129008 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2129008 is an abundant number, since it is smaller than the sum of its proper divisors (2585472).

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

2129008 is a wasteful number, since it uses less digits than its factorization.

2129008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19024 (or 19018 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 2129008 is about 1459.1120587535. The cubic root of 2129008 is about 128.6448577615.

The spelling of 2129008 in words is "two million, one hundred twenty-nine thousand, eight".

Divisors: 1 2 4 7 8 14 16 28 56 112 19009 38018 76036 133063 152072 266126 304144 532252 1064504 2129008