Base | Representation |
---|---|
bin | 10001101001000… |
… | …00000000000001 |
3 | 101022110011210110 |
4 | 20310200000001 |
5 | 300340332124 |
6 | 22403421533 |
7 | 3444545262 |
oct | 1064400001 |
9 | 338404713 |
10 | 147980289 |
11 | 76592866 |
12 | 416848a9 |
13 | 24872802 |
14 | 15920969 |
15 | ced1029 |
hex | 8d20001 |
147980289 has 8 divisors (see below), whose sum is σ = 197363520. Its totient is φ = 98625296.
The previous prime is 147980281. The next prime is 147980297. The reversal of 147980289 is 982089741.
It is an interprime number because it is at equal distance from previous prime (147980281) and next prime (147980297).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 147980289 - 23 = 147980281 is a prime.
It is not an unprimeable number, because it can be changed into a prime (147980281) 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, 15199 + ... + 22955.
It is an arithmetic number, because the mean of its divisors is an integer number (24670440).
It is a Proth number, since it is equal to 1129 ⋅ 217 + 1 and 1129 < 217.
Almost surely, 2147980289 is an apocalyptic number.
It is an amenable number.
147980289 is a deficient number, since it is larger than the sum of its proper divisors (49383231).
147980289 is an equidigital number, since it uses as much as digits as its factorization.
147980289 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14119.
The product of its (nonzero) digits is 290304, while the sum is 48.
The square root of 147980289 is about 12164.7149165116. The cubic root of 147980289 is about 528.9337636226.
The spelling of 147980289 in words is "one hundred forty-seven million, nine hundred eighty thousand, two hundred eighty-nine".
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