Base | Representation |
---|---|
bin | 11001001010101… |
… | …001000111001111 |
3 | 1002102111000021122 |
4 | 121022221013033 |
5 | 1331042021424 |
6 | 105521351155 |
7 | 13314545540 |
oct | 3112510717 |
9 | 1072430248 |
10 | 422220239 |
11 | 1a7372351 |
12 | b94984bb |
13 | 6962147c |
14 | 4010a4c7 |
15 | 2710245e |
hex | 192a91cf |
422220239 has 8 divisors (see below), whose sum is σ = 482672640. Its totient is φ = 361801656.
The previous prime is 422220233. The next prime is 422220277. The reversal of 422220239 is 932022224.
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 422220239 - 212 = 422216143 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 (422220233) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29942 + ... + 41724.
It is an arithmetic number, because the mean of its divisors is an integer number (60334080).
Almost surely, 2422220239 is an apocalyptic number.
422220239 is a deficient number, since it is larger than the sum of its proper divisors (60452401).
422220239 is a wasteful number, since it uses less digits than its factorization.
422220239 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16909.
The product of its (nonzero) digits is 3456, while the sum is 26.
The square root of 422220239 is about 20547.9984183375. The cubic root of 422220239 is about 750.2045302921.
It can be divided in two parts, 4222202 and 39, that multiplied together give a triangular number (164665878 = T18147).
The spelling of 422220239 in words is "four hundred twenty-two million, two hundred twenty thousand, two hundred thirty-nine".
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