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228204467 = 351164997
BaseRepresentation
bin11011001101000…
…01111110110011
3120220101222200022
431212201332303
5431410020332
634351114055
75440464101
oct1546417663
9526358608
10228204467
111078a7437
126451292b
1338380c3a
1422444c71
151507b212
hexd9a1fb3

228204467 has 4 divisors (see below), whose sum is σ = 228272976. Its totient is φ = 228135960.

The previous prime is 228204461. The next prime is 228204499. The reversal of 228204467 is 764402822.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 228204467 - 226 = 161095603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228204461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28988 + ... + 36009.

It is an arithmetic number, because the mean of its divisors is an integer number (57068244).

Almost surely, 2228204467 is an apocalyptic number.

228204467 is a deficient number, since it is larger than the sum of its proper divisors (68509).

228204467 is an equidigital number, since it uses as much as digits as its factorization.

228204467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68508.

The product of its (nonzero) digits is 43008, while the sum is 35.

The square root of 228204467 is about 15106.4379322195. The cubic root of 228204467 is about 611.0940386329.

The spelling of 228204467 in words is "two hundred twenty-eight million, two hundred four thousand, four hundred sixty-seven".

Divisors: 1 3511 64997 228204467