Base | Representation |
---|---|
bin | 10000001110011… |
… | …101000010101111 |
3 | 200222020102201100 |
4 | 100032131002233 |
5 | 1024142140211 |
6 | 43002414143 |
7 | 6513604143 |
oct | 2016350257 |
9 | 628212640 |
10 | 272224431 |
11 | 12a733276 |
12 | 77201353 |
13 | 4452445b |
14 | 28223223 |
15 | 18d74156 |
hex | 1039d0af |
272224431 has 6 divisors (see below), whose sum is σ = 393213080. Its totient is φ = 181482948.
The previous prime is 272224399. The next prime is 272224471. The reversal of 272224431 is 134422272.
272224431 is a `hidden beast` number, since 2 + 7 + 2 + 224 + 431 = 666.
It is not a de Polignac number, because 272224431 - 25 = 272224399 is a prime.
It is a super-2 number, since 2×2722244312 = 148212281666547522, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 272224395 and 272224404.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (272224471) 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, 15123571 + ... + 15123588.
Almost surely, 2272224431 is an apocalyptic number.
272224431 is a deficient number, since it is larger than the sum of its proper divisors (120988649).
272224431 is a wasteful number, since it uses less digits than its factorization.
272224431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30247165 (or 30247162 counting only the distinct ones).
The product of its digits is 5376, while the sum is 27.
The square root of 272224431 is about 16499.2251636251. The cubic root of 272224431 is about 648.1005145291.
The spelling of 272224431 in words is "two hundred seventy-two million, two hundred twenty-four thousand, four hundred thirty-one".
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