Base | Representation |
---|---|
bin | 10000001110101… |
… | …100000110110010 |
3 | 200222100120100111 |
4 | 100032230012302 |
5 | 1024201124010 |
6 | 43004011534 |
7 | 6514252054 |
oct | 2016540662 |
9 | 628316314 |
10 | 272286130 |
11 | 12a775666 |
12 | 77230baa |
13 | 4454656c |
14 | 2823b8d4 |
15 | 18d8758a |
hex | 103ac1b2 |
272286130 has 32 divisors (see below), whose sum is σ = 496392624. Its totient is φ = 107529216.
The previous prime is 272286109. The next prime is 272286139. The reversal of 272286130 is 31682272.
It can be written as a sum of positive squares in 8 ways, for example, as 28270489 + 244015641 = 5317^2 + 15621^2 .
It is a junction number, because it is equal to n+sod(n) for n = 272286092 and 272286101.
It is not an unprimeable number, because it can be changed into a prime (272286139) 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, 318784 + ... + 319636.
Almost surely, 2272286130 is an apocalyptic number.
272286130 is a deficient number, since it is larger than the sum of its proper divisors (224106494).
272286130 is a wasteful number, since it uses less digits than its factorization.
272286130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1230.
The product of its (nonzero) digits is 8064, while the sum is 31.
The square root of 272286130 is about 16501.0948121632. The cubic root of 272286130 is about 648.1494742947.
The spelling of 272286130 in words is "two hundred seventy-two million, two hundred eighty-six thousand, one hundred thirty".
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