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8630228 = 222157557
BaseRepresentation
bin100000111010…
…111111010100
3121020110110002
4200322333110
54202131403
6504550432
7133233005
oct40727724
917213402
108630228
114965022
122a82418
131a32259
1412091ac
15b57188
hex83afd4

8630228 has 6 divisors (see below), whose sum is σ = 15102906. Its totient is φ = 4315112.

The previous prime is 8630207. The next prime is 8630231. The reversal of 8630228 is 8220368.

8630228 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 6012304 + 2617924 = 2452^2 + 1618^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8630228.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1078775 + ... + 1078782.

It is an arithmetic number, because the mean of its divisors is an integer number (2517151).

Almost surely, 28630228 is an apocalyptic number.

It is an amenable number.

8630228 is a deficient number, since it is larger than the sum of its proper divisors (6472678).

8630228 is a wasteful number, since it uses less digits than its factorization.

8630228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2157561 (or 2157559 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 8630228 is about 2937.7249701087. The cubic root of 8630228 is about 205.1197238390.

The spelling of 8630228 in words is "eight million, six hundred thirty thousand, two hundred twenty-eight".

Divisors: 1 2 4 2157557 4315114 8630228