Base | Representation |
---|---|
bin | 1011101110111… |
… | …1011000101100 |
3 | 10102121101022112 |
4 | 2323233120230 |
5 | 100044340040 |
6 | 4514503152 |
7 | 1135215011 |
oct | 273573054 |
9 | 112541275 |
10 | 49215020 |
11 | 25864a78 |
12 | 14594ab8 |
13 | a27201a |
14 | 6771708 |
15 | 44c2365 |
hex | 2eef62c |
49215020 has 24 divisors (see below), whose sum is σ = 103491024. Its totient is φ = 19659456.
The previous prime is 49215013. The next prime is 49215031. The reversal of 49215020 is 2051294.
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, 21239 + ... + 23441.
It is an arithmetic number, because the mean of its divisors is an integer number (4312126).
Almost surely, 249215020 is an apocalyptic number.
It is an amenable number.
49215020 is an abundant number, since it is smaller than the sum of its proper divisors (54276004).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49215020 is a wasteful number, since it uses less digits than its factorization.
49215020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3329 (or 3327 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 23.
The square root of 49215020 is about 7015.3417593158. The cubic root of 49215020 is about 366.4650443407.
The spelling of 49215020 in words is "forty-nine million, two hundred fifteen thousand, twenty".
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