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228585463 = 4343312277
BaseRepresentation
bin11011001111111…
…10111111110111
3120221010100022021
431213332333313
5432004213323
634403214011
75443641631
oct1547767767
9527110267
10228585463
11108037707
1264677307
1338485492
1422503a51
151510405d
hexd9feff7

228585463 has 8 divisors (see below), whose sum is σ = 234460688. Its totient is φ = 222735744.

The previous prime is 228585457. The next prime is 228585479. The reversal of 228585463 is 364585822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-228585463 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228585493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12481 + ... + 24757.

It is an arithmetic number, because the mean of its divisors is an integer number (29307586).

Almost surely, 2228585463 is an apocalyptic number.

228585463 is a deficient number, since it is larger than the sum of its proper divisors (5875225).

228585463 is a wasteful number, since it uses less digits than its factorization.

228585463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12753.

The product of its digits is 460800, while the sum is 43.

The square root of 228585463 is about 15119.0430583420. The cubic root of 228585463 is about 611.4339310954.

The spelling of 228585463 in words is "two hundred twenty-eight million, five hundred eighty-five thousand, four hundred sixty-three".

Divisors: 1 43 433 12277 18619 527911 5315941 228585463