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228352419 = 3337228581
BaseRepresentation
bin11011001110001…
…10000110100011
3120220200111122000
431213012012203
5431424234134
634354215043
75441651331
oct1547060643
9526614560
10228352419
11107998609
1264584483
1338403399
1422482b51
15150a9e99
hexd9c61a3

228352419 has 16 divisors (see below), whose sum is σ = 347444640. Its totient is φ = 148119840.

The previous prime is 228352387. The next prime is 228352451. The reversal of 228352419 is 914253822.

It is a happy number.

228352419 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (228352387) and next prime (228352451).

It is not a de Polignac number, because 228352419 - 25 = 228352387 is a prime.

It is a super-2 number, since 2×2283524192 = 104289654526303122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (228351419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113292 + ... + 115289.

It is an arithmetic number, because the mean of its divisors is an integer number (21715290).

Almost surely, 2228352419 is an apocalyptic number.

228352419 is a deficient number, since it is larger than the sum of its proper divisors (119092221).

228352419 is a wasteful number, since it uses less digits than its factorization.

228352419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228627 (or 228621 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 228352419 is about 15111.3341237629. The cubic root of 228352419 is about 611.2260738122.

The spelling of 228352419 in words is "two hundred twenty-eight million, three hundred fifty-two thousand, four hundred nineteen".

Divisors: 1 3 9 27 37 111 333 999 228581 685743 2057229 6171687 8457497 25372491 76117473 228352419