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2530228 = 22632557
BaseRepresentation
bin1001101001101110110100
311202112211011
421221232310
51121431403
6130122004
730335521
oct11515664
94675734
102530228
111478aa8
12a20304
136a789c
1449c148
1534ea6d
hex269bb4

2530228 has 6 divisors (see below), whose sum is σ = 4427906. Its totient is φ = 1265112.

The previous prime is 2530223. The next prime is 2530237. The reversal of 2530228 is 8220352.

It can be written as a sum of positive squares in only one way, i.e., 2184484 + 345744 = 1478^2 + 588^2 .

It is a d-powerful number, because it can be written as 212 + 58 + 313 + 0 + 214 + 219 + 83 .

It is a junction number, because it is equal to n+sod(n) for n = 2530199 and 2530208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2530223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316275 + ... + 316282.

22530228 is an apocalyptic number.

It is an amenable number.

2530228 is a deficient number, since it is larger than the sum of its proper divisors (1897678).

2530228 is a wasteful number, since it uses less digits than its factorization.

2530228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632561 (or 632559 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2530228 is about 1590.6690416300. The cubic root of 2530228 is about 136.2657002922.

The spelling of 2530228 in words is "two million, five hundred thirty thousand, two hundred twenty-eight".

Divisors: 1 2 4 632557 1265114 2530228