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228145174 = 2353932233
BaseRepresentation
bin11011001100100…
…11100000010110
3120220021222100021
431212103200112
5431401121144
634345535354
75440126165
oct1546234026
9526258307
10228145174
11107866934
12644a455a
133835cc5a
142242b3dc
1515068884
hexd993816

228145174 has 8 divisors (see below), whose sum is σ = 342325080. Its totient is φ = 114036816.

The previous prime is 228145123. The next prime is 228145187. The reversal of 228145174 is 471541822.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 9039 + ... + 23194.

It is an arithmetic number, because the mean of its divisors is an integer number (42790635).

Almost surely, 2228145174 is an apocalyptic number.

228145174 is a deficient number, since it is larger than the sum of its proper divisors (114179906).

228145174 is a wasteful number, since it uses less digits than its factorization.

228145174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35774.

The product of its digits is 17920, while the sum is 34.

The square root of 228145174 is about 15104.4752970767. The cubic root of 228145174 is about 611.0411084137.

Adding to 228145174 its reverse (471541822), we get a palindrome (699686996).

The spelling of 228145174 in words is "two hundred twenty-eight million, one hundred forty-five thousand, one hundred seventy-four".

Divisors: 1 2 3539 7078 32233 64466 114072587 228145174