Base | Representation |
---|---|
bin | 10000001110001… |
… | …010101111011110 |
3 | 200222002121220000 |
4 | 100032022233132 |
5 | 1024132240340 |
6 | 43001035130 |
7 | 6513142455 |
oct | 2016125736 |
9 | 628077800 |
10 | 272149470 |
11 | 12a691a1a |
12 | 77185aa6 |
13 | 444c92b8 |
14 | 28203b9c |
15 | 18d5bd30 |
hex | 1038abde |
272149470 has 80 divisors (see below), whose sum is σ = 741216960. Its totient is φ = 71637696.
The previous prime is 272149469. The next prime is 272149489. The reversal of 272149470 is 74941272.
It is an alternating number because its digits alternate between even and odd.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 61864 + ... + 66116.
It is an arithmetic number, because the mean of its divisors is an integer number (9265212).
Almost surely, 2272149470 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 272149470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (370608480).
272149470 is an abundant number, since it is smaller than the sum of its proper divisors (469067490).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
272149470 is a wasteful number, since it uses less digits than its factorization.
272149470 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4351 (or 4342 counting only the distinct ones).
The product of its (nonzero) digits is 28224, while the sum is 36.
The square root of 272149470 is about 16496.9533550895. The cubic root of 272149470 is about 648.0410210657.
The spelling of 272149470 in words is "two hundred seventy-two million, one hundred forty-nine thousand, four hundred seventy".
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