Base | Representation |
---|---|
bin | 1011110010111… |
… | …0110101101101 |
3 | 10110002120211122 |
4 | 2330232311231 |
5 | 100131144200 |
6 | 4524230325 |
7 | 1140346523 |
oct | 274566555 |
9 | 113076748 |
10 | 49474925 |
11 | 25a22275 |
12 | 1469b3a5 |
13 | a333406 |
14 | 67dc313 |
15 | 4524385 |
hex | 2f2ed6d |
49474925 has 6 divisors (see below), whose sum is σ = 61348938. Its totient is φ = 39579920.
The previous prime is 49474907. The next prime is 49474937. The reversal of 49474925 is 52947494.
It can be written as a sum of positive squares in 3 ways, for example, as 5769604 + 43705321 = 2402^2 + 6611^2 .
It is a de Polignac number, because none of the positive numbers 2k-49474925 is a prime.
It is an alternating number because its digits alternate between even and odd.
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 5 ways as a sum of consecutive naturals, for example, 989474 + ... + 989523.
It is an arithmetic number, because the mean of its divisors is an integer number (10224823).
Almost surely, 249474925 is an apocalyptic number.
It is an amenable number.
49474925 is a deficient number, since it is larger than the sum of its proper divisors (11874013).
49474925 is a wasteful number, since it uses less digits than its factorization.
49474925 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1979007 (or 1979002 counting only the distinct ones).
The product of its digits is 362880, while the sum is 44.
The square root of 49474925 is about 7033.8414113484. The cubic root of 49474925 is about 367.1090138873.
The spelling of 49474925 in words is "forty-nine million, four hundred seventy-four thousand, nine hundred twenty-five".
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