Base | Representation |
---|---|
bin | 10001010011001… |
… | …00100001001010 |
3 | 101010001121122102 |
4 | 20221210201022 |
5 | 244122141320 |
6 | 22222153402 |
7 | 3411313262 |
oct | 1051444112 |
9 | 333047572 |
10 | 145115210 |
11 | 74a06229 |
12 | 40722862 |
13 | 240ab6b6 |
14 | 153b67a2 |
15 | cb17175 |
hex | 8a6484a |
145115210 has 16 divisors (see below), whose sum is σ = 261686376. Its totient is φ = 57939648.
The previous prime is 145115209. The next prime is 145115227. The reversal of 145115210 is 12511541.
It can be written as a sum of positive squares in 4 ways, for example, as 109390681 + 35724529 = 10459^2 + 5977^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7457 + ... + 18596.
Almost surely, 2145115210 is an apocalyptic number.
145115210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
145115210 is a deficient number, since it is larger than the sum of its proper divisors (116571166).
145115210 is a wasteful number, since it uses less digits than its factorization.
145115210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26617.
The product of its (nonzero) digits is 200, while the sum is 20.
The square root of 145115210 is about 12046.3774637855. The cubic root of 145115210 is about 525.4978919906.
Adding to 145115210 its reverse (12511541), we get a palindrome (157626751).
It can be divided in two parts, 1451 and 15210, that added together give a palindrome (16661).
The spelling of 145115210 in words is "one hundred forty-five million, one hundred fifteen thousand, two hundred ten".
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