Base | Representation |
---|---|
bin | 10100100100100… |
… | …111001111100101 |
3 | 220001110001011010 |
4 | 110210213033211 |
5 | 1201324022440 |
6 | 54125332433 |
7 | 11360442420 |
oct | 2444471745 |
9 | 801401133 |
10 | 345142245 |
11 | 167907528 |
12 | 97707119 |
13 | 566750a6 |
14 | 33ba49b7 |
15 | 20479580 |
hex | 149273e5 |
345142245 has 32 divisors (see below), whose sum is σ = 668245248. Its totient is φ = 148497408.
The previous prime is 345142207. The next prime is 345142249. The reversal of 345142245 is 542241543.
It is not a de Polignac number, because 345142245 - 210 = 345141221 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (345142249) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94894 + ... + 98463.
It is an arithmetic number, because the mean of its divisors is an integer number (20882664).
Almost surely, 2345142245 is an apocalyptic number.
345142245 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
345142245 is a deficient number, since it is larger than the sum of its proper divisors (323103003).
345142245 is a wasteful number, since it uses less digits than its factorization.
345142245 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 193389.
The product of its digits is 19200, while the sum is 30.
The square root of 345142245 is about 18578.0043330816. The cubic root of 345142245 is about 701.4542860772.
Adding to 345142245 its reverse (542241543), we get a palindrome (887383788).
The spelling of 345142245 in words is "three hundred forty-five million, one hundred forty-two thousand, two hundred forty-five".
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