Base | Representation |
---|---|
bin | 10111111111101… |
… | …11001011110000 |
3 | 112000202121121222 |
4 | 23333313023300 |
5 | 403012243410 |
6 | 31550204212 |
7 | 4662640466 |
oct | 1377671360 |
9 | 460677558 |
10 | 201290480 |
11 | a3694576 |
12 | 574b3668 |
13 | 329197c1 |
14 | 1ca3a836 |
15 | 12a11955 |
hex | bff72f0 |
201290480 has 40 divisors (see below), whose sum is σ = 488352672. Its totient is φ = 77014784.
The previous prime is 201290461. The next prime is 201290483. The reversal of 201290480 is 84092102.
It is a tau number, because it is divible by the number of its divisors (40).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (201290483) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52859 + ... + 56538.
Almost surely, 2201290480 is an apocalyptic number.
201290480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
201290480 is an abundant number, since it is smaller than the sum of its proper divisors (287062192).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
201290480 is a wasteful number, since it uses less digits than its factorization.
201290480 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 109433 (or 109427 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 26.
The square root of 201290480 is about 14187.6876199048. The cubic root of 201290480 is about 586.0586475023.
The spelling of 201290480 in words is "two hundred one million, two hundred ninety thousand, four hundred eighty".
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