Base | Representation |
---|---|
bin | 11011000101110… |
… | …00110101100001 |
3 | 120211121110201100 |
4 | 31202320311201 |
5 | 431133441010 |
6 | 34314425013 |
7 | 5426406000 |
oct | 1542706541 |
9 | 524543640 |
10 | 227249505 |
11 | 107304a0a |
12 | 64132169 |
13 | 38108382 |
14 | 22276c37 |
15 | 14e3d2c0 |
hex | d8b8d61 |
227249505 has 48 divisors (see below), whose sum is σ = 459388800. Its totient is φ = 103878432.
The previous prime is 227249483. The next prime is 227249527. The reversal of 227249505 is 505942722.
It is a happy number.
227249505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (227249483) and next prime (227249527).
It is not a de Polignac number, because 227249505 - 210 = 227248481 is a prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 227249505.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8074 + ... + 22796.
It is an arithmetic number, because the mean of its divisors is an integer number (9570600).
Almost surely, 2227249505 is an apocalyptic number.
It is an amenable number.
227249505 is an abundant number, since it is smaller than the sum of its proper divisors (232139295).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
227249505 is a wasteful number, since it uses less digits than its factorization.
227249505 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14755 (or 14738 counting only the distinct ones).
The product of its (nonzero) digits is 50400, while the sum is 36.
The square root of 227249505 is about 15074.7970135588. The cubic root of 227249505 is about 610.2404364368.
The spelling of 227249505 in words is "two hundred twenty-seven million, two hundred forty-nine thousand, five hundred five".
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