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229300145 = 5103541823
BaseRepresentation
bin11011010101011…
…01011110110001
3120222110122122222
431222231132301
5432200101040
634430410425
75453006354
oct1552553661
9528418588
10229300145
11108485658
1264960a15
1338675879
142264c29b
15151e5bb5
hexdaad7b1

229300145 has 16 divisors (see below), whose sum is σ = 278683392. Its totient is φ = 181103040.

The previous prime is 229300117. The next prime is 229300147. The reversal of 229300145 is 541003922.

It is not a de Polignac number, because 229300145 - 218 = 229038001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (229300147) 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 15 ways as a sum of consecutive naturals, for example, 278204 + ... + 279026.

It is an arithmetic number, because the mean of its divisors is an integer number (17417712).

Almost surely, 2229300145 is an apocalyptic number.

It is an amenable number.

229300145 is a deficient number, since it is larger than the sum of its proper divisors (49383247).

229300145 is a wasteful number, since it uses less digits than its factorization.

229300145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1472.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 229300145 is about 15142.6597729725. The cubic root of 229300145 is about 612.0704927202.

The spelling of 229300145 in words is "two hundred twenty-nine million, three hundred thousand, one hundred forty-five".

Divisors: 1 5 103 515 541 823 2705 4115 55723 84769 278615 423845 445243 2226215 45860029 229300145