Base | Representation |
---|---|
bin | 1011110010100… |
… | …0110000000001 |
3 | 10110001022121221 |
4 | 2330220300001 |
5 | 100124344420 |
6 | 4523515041 |
7 | 1140214024 |
oct | 274506001 |
9 | 113038557 |
10 | 49449985 |
11 | 25a05562 |
12 | 14688a81 |
13 | a324c60 |
14 | 67d31bb |
15 | 451bcaa |
hex | 2f28c01 |
49449985 has 8 divisors (see below), whose sum is σ = 63904680. Its totient is φ = 36516864.
The previous prime is 49449973. The next prime is 49449997. The reversal of 49449985 is 58994494.
It is an interprime number because it is at equal distance from previous prime (49449973) and next prime (49449997).
It can be written as a sum of positive squares in 4 ways, for example, as 7160976 + 42289009 = 2676^2 + 6503^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 49449985 - 27 = 49449857 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 380320 + ... + 380449.
It is an arithmetic number, because the mean of its divisors is an integer number (7988085).
Almost surely, 249449985 is an apocalyptic number.
It is an amenable number.
49449985 is a deficient number, since it is larger than the sum of its proper divisors (14454695).
49449985 is a wasteful number, since it uses less digits than its factorization.
49449985 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 760787.
The product of its digits is 1866240, while the sum is 52.
The square root of 49449985 is about 7032.0683301572. The cubic root of 49449985 is about 367.0473177339.
The spelling of 49449985 in words is "forty-nine million, four hundred forty-nine thousand, nine hundred eighty-five".
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