Base | Representation |
---|---|
bin | 101000001111… |
… | …111010100001 |
3 | 201212001011202 |
4 | 220033322201 |
5 | 10200112240 |
6 | 1014050545 |
7 | 155452526 |
oct | 50177241 |
9 | 21761152 |
10 | 10550945 |
11 | 5a57099 |
12 | 3649a55 |
13 | 2255582 |
14 | 158914d |
15 | dd6315 |
hex | a0fea1 |
10550945 has 4 divisors (see below), whose sum is σ = 12661140. Its totient is φ = 8440752.
The previous prime is 10550941. The next prime is 10550963. The reversal of 10550945 is 54905501.
10550945 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54905501 = 7 ⋅7843643.
It can be written as a sum of positive squares in 2 ways, for example, as 5094049 + 5456896 = 2257^2 + 2336^2 .
It is a cyclic number.
It is not a de Polignac number, because 10550945 - 22 = 10550941 is a prime.
It is a super-2 number, since 2×105509452 = 222644880786050, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (10550941) 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, 1055090 + ... + 1055099.
It is an arithmetic number, because the mean of its divisors is an integer number (3165285).
Almost surely, 210550945 is an apocalyptic number.
It is an amenable number.
10550945 is a deficient number, since it is larger than the sum of its proper divisors (2110195).
10550945 is an equidigital number, since it uses as much as digits as its factorization.
10550945 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2110194.
The product of its (nonzero) digits is 4500, while the sum is 29.
The square root of 10550945 is about 3248.2218212431. The cubic root of 10550945 is about 219.3295359285.
The spelling of 10550945 in words is "ten million, five hundred fifty thousand, nine hundred forty-five".
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