Base | Representation |
---|---|
bin | 111100000010010… |
… | …001000000000001 |
3 | 2121012021102112022 |
4 | 330002101000001 |
5 | 4030322230011 |
6 | 243540211225 |
7 | 33650200343 |
oct | 7402210001 |
9 | 2535242468 |
10 | 1007226881 |
11 | 47760a511 |
12 | 241399b15 |
13 | 13089a74b |
14 | 97aad293 |
15 | 5d65c8db |
hex | 3c091001 |
1007226881 has 4 divisors (see below), whose sum is σ = 1007654064. Its totient is φ = 1006799700.
The previous prime is 1007226821. The next prime is 1007226889. The reversal of 1007226881 is 1886227001.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1886227001 = 331 ⋅5698571.
It is a cyclic number.
It is not a de Polignac number, because 1007226881 - 218 = 1006964737 is a prime.
It is a super-2 number, since 2×10072268812 = 2029011979617976322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1007226889) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210035 + ... + 214776.
It is an arithmetic number, because the mean of its divisors is an integer number (251913516).
Almost surely, 21007226881 is an apocalyptic number.
It is an amenable number.
1007226881 is a deficient number, since it is larger than the sum of its proper divisors (427183).
1007226881 is an equidigital number, since it uses as much as digits as its factorization.
1007226881 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 427182.
The product of its (nonzero) digits is 10752, while the sum is 35.
The square root of 1007226881 is about 31736.8379174738. The cubic root of 1007226881 is about 1002.4031804308.
The spelling of 1007226881 in words is "one billion, seven million, two hundred twenty-six thousand, eight hundred eighty-one".
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