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1000228 = 22250057
BaseRepresentation
bin11110100001100100100
31212211001111
43310030210
5224001403
633234404
711334055
oct3641444
91784044
101000228
11623539
12402a04
13290368
141c072c
1514b56d
hexf4324

1000228 has 6 divisors (see below), whose sum is σ = 1750406. Its totient is φ = 500112.

The previous prime is 1000213. The next prime is 1000231. The reversal of 1000228 is 8220001.

It can be written as a sum of positive squares in only one way, i.e., 813604 + 186624 = 902^2 + 432^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125025 + ... + 125032.

21000228 is an apocalyptic number.

It is an amenable number.

1000228 is a deficient number, since it is larger than the sum of its proper divisors (750178).

1000228 is a wasteful number, since it uses less digits than its factorization.

1000228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250061 (or 250059 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1000228 is about 1000.1139935027. The cubic root of 1000228 is about 100.0075994225.

Adding to 1000228 its reverse (8220001), we get a palindrome (9220229).

The spelling of 1000228 in words is "one million, two hundred twenty-eight", and thus it is an aban number.

Divisors: 1 2 4 250057 500114 1000228