Base | Representation |
---|---|
bin | 10001101010001… |
… | …00110111011010 |
3 | 101022201211221002 |
4 | 20311010313122 |
5 | 300410200130 |
6 | 22410545002 |
7 | 3446044436 |
oct | 1065046732 |
9 | 338654832 |
10 | 148131290 |
11 | 7668625a |
12 | 41738162 |
13 | 248c6468 |
14 | 1595d9c6 |
15 | d010b45 |
hex | 8d44dda |
148131290 has 32 divisors (see below), whose sum is σ = 272918160. Its totient is φ = 57867264.
The previous prime is 148131283. The next prime is 148131301. The reversal of 148131290 is 92131841.
148131290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 8 ways, for example, as 40615129 + 107516161 = 6373^2 + 10369^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146306 + ... + 147314.
Almost surely, 2148131290 is an apocalyptic number.
148131290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
148131290 is a deficient number, since it is larger than the sum of its proper divisors (124786870).
148131290 is a wasteful number, since it uses less digits than its factorization.
148131290 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1346.
The product of its (nonzero) digits is 1728, while the sum is 29.
The square root of 148131290 is about 12170.9198502003. The cubic root of 148131290 is about 529.1136127465.
The spelling of 148131290 in words is "one hundred forty-eight million, one hundred thirty-one thousand, two hundred ninety".
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