Base | Representation |
---|---|
bin | 1111000101100… |
… | …00111110111101 |
3 | 22211010121111212 |
4 | 13202300332331 |
5 | 224344212140 |
6 | 20320254205 |
7 | 3064456142 |
oct | 742607675 |
9 | 284117455 |
10 | 126554045 |
11 | 65488a22 |
12 | 36471365 |
13 | 202b0167 |
14 | 12b443c9 |
15 | b19c765 |
hex | 78b0fbd |
126554045 has 8 divisors (see below), whose sum is σ = 151934424. Its totient is φ = 101196864.
The previous prime is 126554039. The next prime is 126554053. The reversal of 126554045 is 540455621.
It can be written as a sum of positive squares in 4 ways, for example, as 37100281 + 89453764 = 6091^2 + 9458^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 126554045 - 28 = 126553789 is a prime.
It is a Duffinian number.
It is a congruent number.
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 7 ways as a sum of consecutive naturals, for example, 10247 + ... + 18923.
It is an arithmetic number, because the mean of its divisors is an integer number (18991803).
Almost surely, 2126554045 is an apocalyptic number.
It is an amenable number.
126554045 is a deficient number, since it is larger than the sum of its proper divisors (25380379).
126554045 is an equidigital number, since it uses as much as digits as its factorization.
126554045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11599.
The product of its (nonzero) digits is 24000, while the sum is 32.
The square root of 126554045 is about 11249.6242159461. The cubic root of 126554045 is about 502.0635319559.
The spelling of 126554045 in words is "one hundred twenty-six million, five hundred fifty-four thousand, forty-five".
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