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1130228 = 2211171511
BaseRepresentation
bin100010011111011110100
32010102101022
410103323310
5242131403
640120312
712415061
oct4237364
92112338
101130228
11702180
12466098
13307598
14215c68
15174d38
hex113ef4

1130228 has 24 divisors (see below), whose sum is σ = 2286144. Its totient is φ = 483200.

The previous prime is 1130191. The next prime is 1130237. The reversal of 1130228 is 8220311.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8 + ... + 1503.

It is an arithmetic number, because the mean of its divisors is an integer number (95256).

21130228 is an apocalyptic number.

It is an amenable number.

1130228 is an abundant number, since it is smaller than the sum of its proper divisors (1155916).

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

1130228 is a wasteful number, since it uses less digits than its factorization.

1130228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1543 (or 1541 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1130228 is about 1063.1218180434. The cubic root of 1130228 is about 104.1650485793.

Adding to 1130228 its reverse (8220311), we get a palindrome (9350539).

The spelling of 1130228 in words is "one million, one hundred thirty thousand, two hundred twenty-eight".

Divisors: 1 2 4 11 17 22 34 44 68 187 374 748 1511 3022 6044 16621 25687 33242 51374 66484 102748 282557 565114 1130228