Base | Representation |
---|---|
bin | 11011000111001… |
… | …11101111101000 |
3 | 120211222020021110 |
4 | 31203213233220 |
5 | 431211113030 |
6 | 34322510320 |
7 | 5431136106 |
oct | 1543475750 |
9 | 524866243 |
10 | 227441640 |
11 | 1074262a8 |
12 | 642053a0 |
13 | 3817496a |
14 | 222c6c76 |
15 | 14e7a1b0 |
hex | d8e7be8 |
227441640 has 64 divisors (see below), whose sum is σ = 722468160. Its totient is φ = 57082880.
The previous prime is 227441639. The next prime is 227441671. The reversal of 227441640 is 46144722.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a junction number, because it is equal to n+sod(n) for n = 227441598 and 227441607.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53706 + ... + 57785.
It is an arithmetic number, because the mean of its divisors is an integer number (11288565).
Almost surely, 2227441640 is an apocalyptic number.
227441640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
227441640 is an abundant number, since it is smaller than the sum of its proper divisors (495026520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
227441640 is a wasteful number, since it uses less digits than its factorization.
227441640 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 111522 (or 111518 counting only the distinct ones).
The product of its (nonzero) digits is 10752, while the sum is 30.
The square root of 227441640 is about 15081.1683897502. The cubic root of 227441640 is about 610.4123700977.
The spelling of 227441640 in words is "two hundred twenty-seven million, four hundred forty-one thousand, six hundred forty".
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