Base | Representation |
---|---|
bin | 10001101001000… |
… | …00111100001100 |
3 | 101022110101002002 |
4 | 20310200330030 |
5 | 300340443030 |
6 | 22403451432 |
7 | 3444562433 |
oct | 1064407414 |
9 | 338411062 |
10 | 147984140 |
11 | 76595747 |
12 | 41686b78 |
13 | 248744a5 |
14 | 1592211a |
15 | ced2245 |
hex | 8d20f0c |
147984140 has 24 divisors (see below), whose sum is σ = 315026880. Its totient is φ = 58382208.
The previous prime is 147984107. The next prime is 147984149. The reversal of 147984140 is 41489741.
It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 147984094 and 147984103.
It is not an unprimeable number, because it can be changed into a prime (147984149) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49220 + ... + 52139.
It is an arithmetic number, because the mean of its divisors is an integer number (13126120).
Almost surely, 2147984140 is an apocalyptic number.
147984140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
147984140 is an abundant number, since it is smaller than the sum of its proper divisors (167042740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
147984140 is a wasteful number, since it uses less digits than its factorization.
147984140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 101441 (or 101439 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 38.
The square root of 147984140 is about 12164.8732011476. The cubic root of 147984140 is about 528.9383518603.
The spelling of 147984140 in words is "one hundred forty-seven million, nine hundred eighty-four thousand, one hundred forty".
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