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1996228 = 221322953
BaseRepresentation
bin111100111010111000100
310202102022101
413213113010
51002334403
6110441444
722652623
oct7472704
93672271
101996228
111143883
12803284
1354b800
1439d6ba
1529671d
hex1e75c4

1996228 has 18 divisors (see below), whose sum is σ = 3784074. Its totient is φ = 921024.

The previous prime is 1996223. The next prime is 1996229. The reversal of 1996228 is 8226991.

It can be written as a sum of positive squares in 3 ways, for example, as 58564 + 1937664 = 242^2 + 1392^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1996223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 801 + ... + 2152.

21996228 is an apocalyptic number.

It is an amenable number.

1996228 is a deficient number, since it is larger than the sum of its proper divisors (1787846).

1996228 is a wasteful number, since it uses less digits than its factorization.

1996228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2983 (or 2968 counting only the distinct ones).

The product of its digits is 15552, while the sum is 37.

The square root of 1996228 is about 1412.8793295961. The cubic root of 1996228 is about 125.9128481058.

The spelling of 1996228 in words is "one million, nine hundred ninety-six thousand, two hundred twenty-eight".

Divisors: 1 2 4 13 26 52 169 338 676 2953 5906 11812 38389 76778 153556 499057 998114 1996228