Base | Representation |
---|---|
bin | 1011111001011… |
… | …1101111101011 |
3 | 10110220102021020 |
4 | 2332113233223 |
5 | 100233421434 |
6 | 4541343523 |
7 | 1144116342 |
oct | 276275753 |
9 | 113812236 |
10 | 49904619 |
11 | 26196096 |
12 | 14867ba3 |
13 | a453b7b |
14 | 68b0b59 |
15 | 45ab849 |
hex | 2f97beb |
49904619 has 8 divisors (see below), whose sum is σ = 67667520. Its totient is φ = 32705736.
The previous prime is 49904609. The next prime is 49904651. The reversal of 49904619 is 91640994.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 49904619 - 25 = 49904587 is a prime.
It is a super-2 number, since 2×499046192 = 4980941995070322, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (49904609) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140797 + ... + 141150.
It is an arithmetic number, because the mean of its divisors is an integer number (8458440).
Almost surely, 249904619 is an apocalyptic number.
49904619 is a deficient number, since it is larger than the sum of its proper divisors (17762901).
49904619 is a wasteful number, since it uses less digits than its factorization.
49904619 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 282009.
The product of its (nonzero) digits is 69984, while the sum is 42.
The square root of 49904619 is about 7064.3201371399. The cubic root of 49904619 is about 368.1687430088.
The spelling of 49904619 in words is "forty-nine million, nine hundred four thousand, six hundred nineteen".
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