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2125884 = 223172613
BaseRepresentation
bin1000000111000000111100
311000000011110
420013000330
51021012014
6113322020
724032625
oct10070074
94000143
102125884
111222232
12866310
13595827
143d4a4c
152bed59
hex20703c

2125884 has 36 divisors (see below), whose sum is σ = 5277944. Its totient is φ = 665856.

The previous prime is 2125873. The next prime is 2125889. The reversal of 2125884 is 4885212.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125889) 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, 3162 + ... + 3774.

22125884 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2125884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2638972).

2125884 is an abundant number, since it is smaller than the sum of its proper divisors (3152060).

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

2125884 is a wasteful number, since it uses less digits than its factorization.

2125884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654 (or 635 counting only the distinct ones).

The product of its digits is 5120, while the sum is 30.

The square root of 2125884 is about 1458.0411516826. The cubic root of 2125884 is about 128.5819046138.

The spelling of 2125884 in words is "two million, one hundred twenty-five thousand, eight hundred eighty-four".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 289 578 613 867 1156 1226 1734 1839 2452 3468 3678 7356 10421 20842 31263 41684 62526 125052 177157 354314 531471 708628 1062942 2125884