Base | Representation |
---|---|
bin | 11011011010001… |
… | …11100110001111 |
3 | 121000122201121001 |
4 | 31231013212033 |
5 | 432330301112 |
6 | 34452121131 |
7 | 5461245646 |
oct | 1555074617 |
9 | 530581531 |
10 | 229931407 |
11 | 108876962 |
12 | 650061a7 |
13 | 38836cb4 |
14 | 2277435d |
15 | 152bcc57 |
hex | db4798f |
229931407 has 8 divisors (see below), whose sum is σ = 243388800. Its totient is φ = 216609624.
The previous prime is 229931389. The next prime is 229931479. The reversal of 229931407 is 704139922.
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 229931407 - 27 = 229931279 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (229938407) 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, 30403 + ... + 37204.
It is an arithmetic number, because the mean of its divisors is an integer number (30423600).
Almost surely, 2229931407 is an apocalyptic number.
229931407 is a deficient number, since it is larger than the sum of its proper divisors (13457393).
229931407 is a wasteful number, since it uses less digits than its factorization.
229931407 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 67805.
The product of its (nonzero) digits is 27216, while the sum is 37.
The square root of 229931407 is about 15163.4892752295. The cubic root of 229931407 is about 612.6316536100.
The spelling of 229931407 in words is "two hundred twenty-nine million, nine hundred thirty-one thousand, four hundred seven".
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