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228045057 = 3359211741
BaseRepresentation
bin11011001011110…
…11000100000001
3120220002220000020
431211323010001
5431334420212
634343444053
75436231252
oct1545730401
9526086006
10228045057
111077a8699
1264456629
1338326506
1422402b29
1515048d8c
hexd97b101

228045057 has 8 divisors (see below), whose sum is σ = 304908480. Its totient is φ = 151605840.

The previous prime is 228045053. The next prime is 228045071. The reversal of 228045057 is 750540822.

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

It is not a de Polignac number, because 228045057 - 22 = 228045053 is a prime.

It is not an unprimeable number, because it can be changed into a prime (228045053) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 104794 + ... + 106947.

It is an arithmetic number, because the mean of its divisors is an integer number (38113560).

Almost surely, 2228045057 is an apocalyptic number.

It is an amenable number.

228045057 is a deficient number, since it is larger than the sum of its proper divisors (76863423).

228045057 is a wasteful number, since it uses less digits than its factorization.

228045057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212103.

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 228045057 is about 15101.1607831981. The cubic root of 228045057 is about 610.9517142320.

Adding to 228045057 its reverse (750540822), we get a palindrome (978585879).

The spelling of 228045057 in words is "two hundred twenty-eight million, forty-five thousand, fifty-seven".

Divisors: 1 3 359 1077 211741 635223 76015019 228045057