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8623228 = 228812447
BaseRepresentation
bin100000111001…
…010001111100
3121020002211211
4200321101330
54201420403
6504454204
7133203415
oct40712174
917202754
108623228
11495a839
122a7a364
131a2c003
14120680c
15b5506d
hex83947c

8623228 has 12 divisors (see below), whose sum is σ = 15113952. Its totient is φ = 4304960.

The previous prime is 8623213. The next prime is 8623247. The reversal of 8623228 is 8223268.

It is a super-2 number, since 2×86232282 = 148720122279968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8623228.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2301 + ... + 4747.

It is an arithmetic number, because the mean of its divisors is an integer number (1259496).

Almost surely, 28623228 is an apocalyptic number.

It is an amenable number.

8623228 is a deficient number, since it is larger than the sum of its proper divisors (6490724).

8623228 is a wasteful number, since it uses less digits than its factorization.

8623228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3332 (or 3330 counting only the distinct ones).

The product of its digits is 9216, while the sum is 31.

The square root of 8623228 is about 2936.5333303063. The cubic root of 8623228 is about 205.0642511274.

The spelling of 8623228 in words is "eight million, six hundred twenty-three thousand, two hundred twenty-eight".

Divisors: 1 2 4 881 1762 2447 3524 4894 9788 2155807 4311614 8623228