Base | Representation |
---|---|
bin | 1011101011110… |
… | …1001011111001 |
3 | 10102012221021000 |
4 | 2322331023321 |
5 | 100021300101 |
6 | 4510235213 |
7 | 1133400360 |
oct | 272751371 |
9 | 112187230 |
10 | 49009401 |
11 | 25734541 |
12 | 144b5b09 |
13 | a1cc55c |
14 | 671a7d7 |
15 | 4481486 |
hex | 2ebd2f9 |
49009401 has 16 divisors (see below), whose sum is σ = 82979200. Its totient is φ = 28005264.
The previous prime is 49009399. The next prime is 49009409. The reversal of 49009401 is 10490094.
It is not a de Polignac number, because 49009401 - 21 = 49009399 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (49009409) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 129466 + ... + 129843.
It is an arithmetic number, because the mean of its divisors is an integer number (5186200).
Almost surely, 249009401 is an apocalyptic number.
It is an amenable number.
49009401 is a deficient number, since it is larger than the sum of its proper divisors (33969799).
49009401 is a wasteful number, since it uses less digits than its factorization.
49009401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 259325 (or 259319 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 27.
The square root of 49009401 is about 7000.6714677951. The cubic root of 49009401 is about 365.9539716371.
Adding to 49009401 its reverse (10490094), we get a palindrome (59499495).
The spelling of 49009401 in words is "forty-nine million, nine thousand, four hundred one".
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