Base | Representation |
---|---|
bin | 10001101000100… |
… | …11111101100111 |
3 | 101022100200011022 |
4 | 20310103331213 |
5 | 300332242413 |
6 | 22402401355 |
7 | 3444251444 |
oct | 1064237547 |
9 | 338320138 |
10 | 147930983 |
11 | 76559812 |
12 | 4166025b |
13 | 24856235 |
14 | 1590a9cb |
15 | cec1608 |
hex | 8d13f67 |
147930983 has 4 divisors (see below), whose sum is σ = 149713368. Its totient is φ = 146148600.
The previous prime is 147930961. The next prime is 147930989. The reversal of 147930983 is 389039741.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 389039741 = 271 ⋅1435571.
It is a cyclic number.
It is not a de Polignac number, because 147930983 - 216 = 147865447 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (147930989) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 891068 + ... + 891233.
It is an arithmetic number, because the mean of its divisors is an integer number (37428342).
Almost surely, 2147930983 is an apocalyptic number.
147930983 is a deficient number, since it is larger than the sum of its proper divisors (1782385).
147930983 is an equidigital number, since it uses as much as digits as its factorization.
147930983 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1782384.
The product of its (nonzero) digits is 163296, while the sum is 44.
The square root of 147930983 is about 12162.6881485961. The cubic root of 147930983 is about 528.8750114167.
The spelling of 147930983 in words is "one hundred forty-seven million, nine hundred thirty thousand, nine hundred eighty-three".
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