Base | Representation |
---|---|
bin | 10001010011100… |
… | …01011101010010 |
3 | 101010011022100101 |
4 | 20221301131102 |
5 | 244130340320 |
6 | 22223243014 |
7 | 3411623635 |
oct | 1051613522 |
9 | 333138311 |
10 | 145168210 |
11 | 74a42030 |
12 | 4074946a |
13 | 240c9865 |
14 | 153cbc1c |
15 | cb27c0a |
hex | 8a71752 |
145168210 has 16 divisors (see below), whose sum is σ = 285057792. Its totient is φ = 52788400.
The previous prime is 145168193. The next prime is 145168223. The reversal of 145168210 is 12861541.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 659746 + ... + 659965.
It is an arithmetic number, because the mean of its divisors is an integer number (17816112).
Almost surely, 2145168210 is an apocalyptic number.
145168210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
145168210 is a deficient number, since it is larger than the sum of its proper divisors (139889582).
145168210 is a wasteful number, since it uses less digits than its factorization.
145168210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1319729.
The product of its (nonzero) digits is 1920, while the sum is 28.
The square root of 145168210 is about 12048.5770944124. The cubic root of 145168210 is about 525.5618595518.
The spelling of 145168210 in words is "one hundred forty-five million, one hundred sixty-eight thousand, two hundred ten".
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