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229921023 = 3215335597
BaseRepresentation
bin11011011010001…
…01000011111111
3121000122012100110
431231011003333
5432324433043
634452001103
75461203453
oct1555050377
9530565313
10229921023
1110886a082
1265000193
1338832357
1422770663
15152b9b33
hexdb450ff

229921023 has 8 divisors (see below), whose sum is σ = 306712368. Its totient is φ = 153205184.

The previous prime is 229920983. The next prime is 229921031. The reversal of 229921023 is 320129922.

It is a happy number.

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 229921023 - 26 = 229920959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229921723) 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 7 ways as a sum of consecutive naturals, for example, 11340 + ... + 24257.

It is an arithmetic number, because the mean of its divisors is an integer number (38339046).

Almost surely, 2229921023 is an apocalyptic number.

229921023 is a deficient number, since it is larger than the sum of its proper divisors (76791345).

229921023 is a wasteful number, since it uses less digits than its factorization.

229921023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37753.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 229921023 is about 15163.1468699607. The cubic root of 229921023 is about 612.6224310584.

The spelling of 229921023 in words is "two hundred twenty-nine million, nine hundred twenty-one thousand, twenty-three".

Divisors: 1 3 2153 6459 35597 106791 76640341 229921023