Base | Representation |
---|---|
bin | 11011100100101001101011 |
3 | 111121012222010 |
4 | 123210221223 |
5 | 3322244021 |
6 | 414531003 |
7 | 115302630 |
oct | 33445153 |
9 | 14535863 |
10 | 7228011 |
11 | 409756a |
12 | 2506a63 |
13 | 1660c3b |
14 | d62187 |
15 | 97b976 |
hex | 6e4a6b |
7228011 has 16 divisors (see below), whose sum is σ = 11052288. Its totient is φ = 4116000.
The previous prime is 7227977. The next prime is 7228021. The reversal of 7228011 is 1108227.
It is not a de Polignac number, because 7228011 - 210 = 7226987 is a prime.
It is a super-2 number, since 2×72280112 = 104488286032242, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is not an unprimeable number, because it can be changed into a prime (7228021) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9961 + ... + 10661.
It is an arithmetic number, because the mean of its divisors is an integer number (690768).
Almost surely, 27228011 is an apocalyptic number.
7228011 is a deficient number, since it is larger than the sum of its proper divisors (3824277).
7228011 is a wasteful number, since it uses less digits than its factorization.
7228011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1202.
The product of its (nonzero) digits is 224, while the sum is 21.
The square root of 7228011 is about 2688.4960479792. The cubic root of 7228011 is about 193.3479632871.
The spelling of 7228011 in words is "seven million, two hundred twenty-eight thousand, eleven".
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