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228843719 = 1324173043
BaseRepresentation
bin11011010001111…
…10000011000111
3120221121110120022
431220332003013
5432040444334
634412525355
75446065566
oct1550760307
9527543508
10228843719
111081a3745
126478085b
1338545bb0
142256dbdd
151515582e
hexda3e0c7

228843719 has 8 divisors (see below), whose sum is σ = 247473072. Its totient is φ = 210360960.

The previous prime is 228843707. The next prime is 228843731. The reversal of 228843719 is 917348822.

It is an interprime number because it is at equal distance from previous prime (228843707) and next prime (228843731).

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 228843719 - 212 = 228839623 is a prime.

It is a super-2 number, since 2×2288437192 = 104738895451501922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 228843719.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228843739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33389 + ... + 39654.

It is an arithmetic number, because the mean of its divisors is an integer number (30934134).

Almost surely, 2228843719 is an apocalyptic number.

228843719 is a deficient number, since it is larger than the sum of its proper divisors (18629353).

228843719 is a wasteful number, since it uses less digits than its factorization.

228843719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73297.

The product of its digits is 193536, while the sum is 44.

The square root of 228843719 is about 15127.5813995496. The cubic root of 228843719 is about 611.6641105782.

The spelling of 228843719 in words is "two hundred twenty-eight million, eight hundred forty-three thousand, seven hundred nineteen".

Divisors: 1 13 241 3133 73043 949559 17603363 228843719