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228415119 = 376138373
BaseRepresentation
bin11011001110101…
…01011010001111
3120220210200122020
431213111122033
5431433240434
634355421223
75442332202
oct1547253217
9526720566
10228415119
11107a30729
12645b4813
1338425a9a
142249b939
15150bd849
hexd9d568f

228415119 has 4 divisors (see below), whose sum is σ = 304553496. Its totient is φ = 152276744.

The previous prime is 228415091. The next prime is 228415123. The reversal of 228415119 is 911514822.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 228415119 - 29 = 228414607 is a prime.

It is a super-2 number, since 2×2284151192 = 104346933175568322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 228415119.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228415189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38069184 + ... + 38069189.

It is an arithmetic number, because the mean of its divisors is an integer number (76138374).

Almost surely, 2228415119 is an apocalyptic number.

228415119 is a deficient number, since it is larger than the sum of its proper divisors (76138377).

228415119 is an equidigital number, since it uses as much as digits as its factorization.

228415119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76138376.

The product of its digits is 5760, while the sum is 33.

The square root of 228415119 is about 15113.4085831092. The cubic root of 228415119 is about 611.2820112793.

The spelling of 228415119 in words is "two hundred twenty-eight million, four hundred fifteen thousand, one hundred nineteen".

Divisors: 1 3 76138373 228415119