Base | Representation |
---|---|
bin | 1011101010000… |
… | …0000100110001 |
3 | 10101222212200201 |
4 | 2322200010301 |
5 | 100003441121 |
6 | 4503515201 |
7 | 1132362625 |
oct | 272400461 |
9 | 111885621 |
10 | 48890161 |
11 | 256629a1 |
12 | 14458b01 |
13 | a18a1b8 |
14 | 66c9185 |
15 | 445ae91 |
hex | 2ea0131 |
48890161 has 4 divisors (see below), whose sum is σ = 49374324. Its totient is φ = 48406000.
The previous prime is 48890141. The next prime is 48890167. The reversal of 48890161 is 16109884.
48890161 = T933 + T934 + ... + T1033.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 27499536 + 21390625 = 5244^2 + 4625^2 .
It is a cyclic number.
It is not a de Polignac number, because 48890161 - 25 = 48890129 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 48890161.
It is not an unprimeable number, because it can be changed into a prime (48890167) 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, 241930 + ... + 242131.
It is an arithmetic number, because the mean of its divisors is an integer number (12343581).
Almost surely, 248890161 is an apocalyptic number.
It is an amenable number.
48890161 is a deficient number, since it is larger than the sum of its proper divisors (484163).
48890161 is a wasteful number, since it uses less digits than its factorization.
48890161 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 484162.
The product of its (nonzero) digits is 13824, while the sum is 37.
The square root of 48890161 is about 6992.1499554858. The cubic root of 48890161 is about 365.6569416271.
The spelling of 48890161 in words is "forty-eight million, eight hundred ninety thousand, one hundred sixty-one".
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