Base | Representation |
---|---|
bin | 10000010000100… |
… | …010110110000001 |
3 | 201000021021111111 |
4 | 100100202312001 |
5 | 1024312204411 |
6 | 43022243321 |
7 | 6521346022 |
oct | 2020426601 |
9 | 630237444 |
10 | 272772481 |
11 | 12aa78003 |
12 | 77426541 |
13 | 44686a47 |
14 | 28326c49 |
15 | 18e31721 |
hex | 10422d81 |
272772481 has 2 divisors, whose sum is σ = 272772482. Its totient is φ = 272772480.
The previous prime is 272772449. The next prime is 272772499. The reversal of 272772481 is 184277272.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 214769025 + 58003456 = 14655^2 + 7616^2 .
It is a cyclic number.
It is not a de Polignac number, because 272772481 - 25 = 272772449 is a prime.
It is a super-2 number, since 2×2727724812 = 148809652781790722, which contains 22 as substring.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (272772431) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136386240 + 136386241.
It is an arithmetic number, because the mean of its divisors is an integer number (136386241).
Almost surely, 2272772481 is an apocalyptic number.
It is an amenable number.
272772481 is a deficient number, since it is larger than the sum of its proper divisors (1).
272772481 is an equidigital number, since it uses as much as digits as its factorization.
272772481 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 87808, while the sum is 40.
The square root of 272772481 is about 16515.8251686072. The cubic root of 272772481 is about 648.5351478099.
The spelling of 272772481 in words is "two hundred seventy-two million, seven hundred seventy-two thousand, four hundred eighty-one".
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