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228019192 = 2328502399
BaseRepresentation
bin11011001011101…
…00101111111000
3120220001120112021
431211310233320
5431333103232
634343124224
75436062662
oct1545645770
9526046467
10228019192
11107790215
1264443674
13383177cb
14223d7532
1515041397
hexd974bf8

228019192 has 8 divisors (see below), whose sum is σ = 427536000. Its totient is φ = 114009592.

The previous prime is 228019097. The next prime is 228019219. The reversal of 228019192 is 291910822.

228019192 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 14251192 + ... + 14251207.

It is an arithmetic number, because the mean of its divisors is an integer number (53442000).

Almost surely, 2228019192 is an apocalyptic number.

It is an amenable number.

228019192 is a deficient number, since it is larger than the sum of its proper divisors (199516808).

228019192 is a wasteful number, since it uses less digits than its factorization.

228019192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28502405 (or 28502401 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 228019192 is about 15100.3043677934. The cubic root of 228019192 is about 610.9286151951.

The spelling of 228019192 in words is "two hundred twenty-eight million, nineteen thousand, one hundred ninety-two".

Divisors: 1 2 4 8 28502399 57004798 114009596 228019192