Base | Representation |
---|---|
bin | 10001101000100… |
… | …11111100011010 |
3 | 101022100200001110 |
4 | 20310103330122 |
5 | 300332242111 |
6 | 22402401150 |
7 | 3444251304 |
oct | 1064237432 |
9 | 338320043 |
10 | 147930906 |
11 | 76559752 |
12 | 416601b6 |
13 | 248561a6 |
14 | 1590a974 |
15 | cec15a6 |
hex | 8d13f1a |
147930906 has 32 divisors (see below), whose sum is σ = 314694720. Its totient is φ = 46198016.
The previous prime is 147930869. The next prime is 147930907. The reversal of 147930906 is 609039741.
147930906 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (147930907) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19960 + ... + 26348.
It is an arithmetic number, because the mean of its divisors is an integer number (9834210).
Almost surely, 2147930906 is an apocalyptic number.
147930906 is an abundant number, since it is smaller than the sum of its proper divisors (166763814).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
147930906 is a wasteful number, since it uses less digits than its factorization.
147930906 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6638.
The product of its (nonzero) digits is 40824, while the sum is 39.
The square root of 147930906 is about 12162.6849831770. The cubic root of 147930906 is about 528.8749196546.
It can be divided in two parts, 1479 and 30906, that added together give a triangular number (32385 = T254).
The spelling of 147930906 in words is "one hundred forty-seven million, nine hundred thirty thousand, nine hundred six".
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