Base | Representation |
---|---|
bin | 10000001110001… |
… | …001100001011000 |
3 | 200222002101000220 |
4 | 100032021201120 |
5 | 1024132110342 |
6 | 43001000040 |
7 | 6513122055 |
oct | 2016114130 |
9 | 628071026 |
10 | 272144472 |
11 | 12a689196 |
12 | 77183020 |
13 | 444c6c42 |
14 | 2820202c |
15 | 18d5a5ec |
hex | 10389858 |
272144472 has 64 divisors (see below), whose sum is σ = 704164320. Its totient is φ = 87579648.
The previous prime is 272144459. The next prime is 272144473. The reversal of 272144472 is 274441272.
It is a super-2 number, since 2×2721444722 = 148125227280317568, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (272144473) 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, 120538 + ... + 122774.
Almost surely, 2272144472 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 272144472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (352082160).
272144472 is an abundant number, since it is smaller than the sum of its proper divisors (432019848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
272144472 is a wasteful number, since it uses less digits than its factorization.
272144472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2420 (or 2416 counting only the distinct ones).
The product of its digits is 25088, while the sum is 33.
The square root of 272144472 is about 16496.8018718781. The cubic root of 272144472 is about 648.0370539701.
The spelling of 272144472 in words is "two hundred seventy-two million, one hundred forty-four thousand, four hundred seventy-two".
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