Base | Representation |
---|---|
bin | 100111000001… |
… | …000011101001 |
3 | 201020122002210 |
4 | 213001003221 |
5 | 10104243240 |
6 | 1003115333 |
7 | 152636040 |
oct | 47010351 |
9 | 21218083 |
10 | 10227945 |
11 | 5856452 |
12 | 3512b49 |
13 | 2171550 |
14 | 1503557 |
15 | d70780 |
hex | 9c10e9 |
10227945 has 64 divisors (see below), whose sum is σ = 20643840. Its totient is φ = 4209408.
The previous prime is 10227929. The next prime is 10227953. The reversal of 10227945 is 54972201.
It is not a de Polignac number, because 10227945 - 24 = 10227929 is a prime.
It is a super-2 number, since 2×102279452 = 209221717846050, which contains 22 as substring.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 80472 + ... + 80598.
It is an arithmetic number, because the mean of its divisors is an integer number (322560).
Almost surely, 210227945 is an apocalyptic number.
10227945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
10227945 is an abundant number, since it is smaller than the sum of its proper divisors (10415895).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10227945 is a wasteful number, since it uses less digits than its factorization.
10227945 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 214.
The product of its (nonzero) digits is 5040, while the sum is 30.
The square root of 10227945 is about 3198.1158515601. The cubic root of 10227945 is about 217.0681615320.
The spelling of 10227945 in words is "ten million, two hundred twenty-seven thousand, nine hundred forty-five".
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