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228355063 = 2356917449
BaseRepresentation
bin11011001110001…
…10101111110111
3120220200122020221
431213012233313
5431424330223
634354235211
75441662126
oct1547065767
9526618227
10228355063
1110799a5a2
1264585b07
1338404651
1422483abd
15150aab5d
hexd9c6bf7

228355063 has 8 divisors (see below), whose sum is σ = 238716000. Its totient is φ = 218030208.

The previous prime is 228355051. The next prime is 228355073. The reversal of 228355063 is 360553822.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 228355063 - 29 = 228354551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228355003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4363 + ... + 21811.

It is an arithmetic number, because the mean of its divisors is an integer number (29839500).

Almost surely, 2228355063 is an apocalyptic number.

228355063 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

228355063 is a deficient number, since it is larger than the sum of its proper divisors (10360937).

228355063 is a wasteful number, since it uses less digits than its factorization.

228355063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18041.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 228355063 is about 15111.4216075126. The cubic root of 228355063 is about 611.2284328494.

The spelling of 228355063 in words is "two hundred twenty-eight million, three hundred fifty-five thousand, sixty-three".

Divisors: 1 23 569 13087 17449 401327 9928481 228355063