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2125180 = 225591801
BaseRepresentation
bin1000000110110101111100
310222222012101
420012311330
51021001210
6113314444
724030601
oct10066574
93888171
102125180
111221752
12865a24
13595405
143d46a8
152bea3a
hex206d7c

2125180 has 24 divisors (see below), whose sum is σ = 4541040. Its totient is φ = 835200.

The previous prime is 2125163. The next prime is 2125181. The reversal of 2125180 is 815212.

2125180 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125181) 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 7 ways as a sum of consecutive naturals, for example, 280 + ... + 2080.

It is an arithmetic number, because the mean of its divisors is an integer number (189210).

22125180 is an apocalyptic number.

2125180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2125180 is an abundant number, since it is smaller than the sum of its proper divisors (2415860).

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

2125180 is a wasteful number, since it uses less digits than its factorization.

2125180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1869 (or 1867 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 2125180 is about 1457.7997118946. The cubic root of 2125180 is about 128.5677094750.

The spelling of 2125180 in words is "two million, one hundred twenty-five thousand, one hundred eighty".

Divisors: 1 2 4 5 10 20 59 118 236 295 590 1180 1801 3602 7204 9005 18010 36020 106259 212518 425036 531295 1062590 2125180