Base | Representation |
---|---|
bin | 1011101100010… |
… | …1111001100001 |
3 | 10102021202012210 |
4 | 2323011321201 |
5 | 100023420324 |
6 | 4511112333 |
7 | 1133606412 |
oct | 273057141 |
9 | 112252183 |
10 | 49045089 |
11 | 25759335 |
12 | 145126a9 |
13 | a212882 |
14 | 6729809 |
15 | 448bd29 |
hex | 2ec5e61 |
49045089 has 4 divisors (see below), whose sum is σ = 65393456. Its totient is φ = 32696724.
The previous prime is 49045081. The next prime is 49045093. The reversal of 49045089 is 98054094.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 49045089 - 23 = 49045081 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (49045081) 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, 8174179 + ... + 8174184.
It is an arithmetic number, because the mean of its divisors is an integer number (16348364).
Almost surely, 249045089 is an apocalyptic number.
It is an amenable number.
49045089 is a deficient number, since it is larger than the sum of its proper divisors (16348367).
49045089 is a wasteful number, since it uses less digits than its factorization.
49045089 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16348366.
The product of its (nonzero) digits is 51840, while the sum is 39.
The square root of 49045089 is about 7003.2199023021. The cubic root of 49045089 is about 366.0427777048.
The spelling of 49045089 in words is "forty-nine million, forty-five thousand, eighty-nine".
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