Base | Representation |
---|---|
bin | 10000001101100… |
… | …110011011011011 |
3 | 200221211001212011 |
4 | 100031212123123 |
5 | 1024113010411 |
6 | 42553530351 |
7 | 6511653022 |
oct | 2015463333 |
9 | 627731764 |
10 | 272000731 |
11 | 12a5a01a2 |
12 | 771139b7 |
13 | 444766a2 |
14 | 281a58b9 |
15 | 18d2cc21 |
hex | 103666db |
272000731 has 6 divisors (see below), whose sum is σ = 288942260. Its totient is φ = 256000416.
The previous prime is 272000723. The next prime is 272000747. The reversal of 272000731 is 137000272.
It is not a de Polignac number, because 272000731 - 23 = 272000723 is a prime.
It is a super-2 number, since 2×2720007312 = 147968795329068722, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (272000791) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 470301 + ... + 470878.
Almost surely, 2272000731 is an apocalyptic number.
272000731 is a deficient number, since it is larger than the sum of its proper divisors (16941529).
272000731 is an equidigital number, since it uses as much as digits as its factorization.
272000731 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 941213 (or 941196 counting only the distinct ones).
The product of its (nonzero) digits is 588, while the sum is 22.
The square root of 272000731 is about 16492.4446641485. Note that the first 3 decimals coincide. The cubic root of 272000731 is about 647.9229406854.
The spelling of 272000731 in words is "two hundred seventy-two million, seven hundred thirty-one", and thus it is an aban number.
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