Base | Representation |
---|---|
bin | 10010111111101… |
… | …10101101010010 |
3 | 102002211120220211 |
4 | 21133312231102 |
5 | 311243023430 |
6 | 23451154334 |
7 | 3643262053 |
oct | 1137665522 |
9 | 362746824 |
10 | 159345490 |
11 | 81a45697 |
12 | 454459aa |
13 | 27021895 |
14 | 1723c72a |
15 | dec872a |
hex | 97f6b52 |
159345490 has 16 divisors (see below), whose sum is σ = 287257752. Its totient is φ = 63641344.
The previous prime is 159345479. The next prime is 159345491. The reversal of 159345490 is 94543951.
It can be written as a sum of positive squares in 4 ways, for example, as 153190129 + 6155361 = 12377^2 + 2481^2 .
It is not an unprimeable number, because it can be changed into a prime (159345491) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4999 + ... + 18538.
Almost surely, 2159345490 is an apocalyptic number.
159345490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
159345490 is a deficient number, since it is larger than the sum of its proper divisors (127912262).
159345490 is a wasteful number, since it uses less digits than its factorization.
159345490 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24221.
The product of its (nonzero) digits is 97200, while the sum is 40.
The square root of 159345490 is about 12623.2123486853. The cubic root of 159345490 is about 542.1422560197.
The spelling of 159345490 in words is "one hundred fifty-nine million, three hundred forty-five thousand, four hundred ninety".
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