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2253224 = 23281653
BaseRepresentation
bin1000100110000110101000
311020110211202
420212012220
51034100344
6120143332
725103111
oct10460650
94213752
102253224
1112a9976
12907b48
1360b78c
14429208
152e794e
hex2261a8

2253224 has 8 divisors (see below), whose sum is σ = 4224810. Its totient is φ = 1126608.

The previous prime is 2253221. The next prime is 2253247. The reversal of 2253224 is 4223522.

It can be written as a sum of positive squares in only one way, i.e., 2220100 + 33124 = 1490^2 + 182^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a d-powerful number, because it can be written as 2 + 211 + 5 + 38 + 217 + 221 + 47 .

It is a junction number, because it is equal to n+sod(n) for n = 2253196 and 2253205.

It is not an unprimeable number, because it can be changed into a prime (2253221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140819 + ... + 140834.

22253224 is an apocalyptic number.

It is an amenable number.

2253224 is a deficient number, since it is larger than the sum of its proper divisors (1971586).

2253224 is a wasteful number, since it uses less digits than its factorization.

2253224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281659 (or 281655 counting only the distinct ones).

The product of its digits is 960, while the sum is 20.

The square root of 2253224 is about 1501.0742819727. The cubic root of 2253224 is about 131.0996270278.

Adding to 2253224 its reverse (4223522), we get a palindrome (6476746).

The spelling of 2253224 in words is "two million, two hundred fifty-three thousand, two hundred twenty-four".

Divisors: 1 2 4 8 281653 563306 1126612 2253224