Base | Representation |
---|---|
bin | 1011100110001… |
… | …1011101000101 |
3 | 10101112021002102 |
4 | 2321203131011 |
5 | 44423014421 |
6 | 4454321445 |
7 | 1130310002 |
oct | 271433505 |
9 | 111467072 |
10 | 48641861 |
11 | 25503394 |
12 | 14359285 |
13 | a101188 |
14 | 66628a9 |
15 | 440c60b |
hex | 2e63745 |
48641861 has 4 divisors (see below), whose sum is σ = 48888972. Its totient is φ = 48394752.
The previous prime is 48641837. The next prime is 48641869. The reversal of 48641861 is 16814684.
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 40768225 + 7873636 = 6385^2 + 2806^2 .
It is a cyclic number.
It is not a de Polignac number, because 48641861 - 26 = 48641797 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (48641869) 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, 123260 + ... + 123653.
It is an arithmetic number, because the mean of its divisors is an integer number (12222243).
Almost surely, 248641861 is an apocalyptic number.
It is an amenable number.
48641861 is a deficient number, since it is larger than the sum of its proper divisors (247111).
48641861 is a wasteful number, since it uses less digits than its factorization.
48641861 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 247110.
The product of its digits is 36864, while the sum is 38.
The square root of 48641861 is about 6974.3717279766. The cubic root of 48641861 is about 365.0368662331.
The spelling of 48641861 in words is "forty-eight million, six hundred forty-one thousand, eight hundred sixty-one".
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