Base | Representation |
---|---|
bin | 10001010100000… |
… | …11000010001110 |
3 | 101010021222002220 |
4 | 20222003002032 |
5 | 244140141311 |
6 | 22225000210 |
7 | 3412343556 |
oct | 1052030216 |
9 | 333258086 |
10 | 145240206 |
11 | 74a91131 |
12 | 40783066 |
13 | 24123567 |
14 | 1540a166 |
15 | cb3e206 |
hex | 8a8308e |
145240206 has 16 divisors (see below), whose sum is σ = 293981184. Its totient is φ = 47829944.
The previous prime is 145240201. The next prime is 145240217. The reversal of 145240206 is 602042541.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145240201) 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, 145326 + ... + 146321.
It is an arithmetic number, because the mean of its divisors is an integer number (18373824).
Almost surely, 2145240206 is an apocalyptic number.
145240206 is an abundant number, since it is smaller than the sum of its proper divisors (148740978).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145240206 is a wasteful number, since it uses less digits than its factorization.
145240206 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 291735.
The product of its (nonzero) digits is 1920, while the sum is 24.
The square root of 145240206 is about 12051.5644627575. The cubic root of 145240206 is about 525.6487291175.
Adding to 145240206 its reverse (602042541), we get a palindrome (747282747).
The spelling of 145240206 in words is "one hundred forty-five million, two hundred forty thousand, two hundred six".
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