Search a number
-
+
2125444 = 221015261
BaseRepresentation
bin1000000110111010000100
310222222120011
420012322010
51021003234
6113320004
724031426
oct10067204
93888504
102125444
111221972
12866004
13595579
143d4816
152beb64
hex206e84

2125444 has 12 divisors (see below), whose sum is σ = 3757068. Its totient is φ = 1052000.

The previous prime is 2125429. The next prime is 2125451. The reversal of 2125444 is 4445212.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1855044 + 270400 = 1362^2 + 520^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2227 + ... + 3034.

It is an arithmetic number, because the mean of its divisors is an integer number (313089).

22125444 is an apocalyptic number.

It is an amenable number.

2125444 is a deficient number, since it is larger than the sum of its proper divisors (1631624).

2125444 is a wasteful number, since it uses less digits than its factorization.

2125444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5366 (or 5364 counting only the distinct ones).

The product of its digits is 1280, while the sum is 22.

The square root of 2125444 is about 1457.8902565008. The cubic root of 2125444 is about 128.5730330194.

The spelling of 2125444 in words is "two million, one hundred twenty-five thousand, four hundred forty-four".

Divisors: 1 2 4 101 202 404 5261 10522 21044 531361 1062722 2125444