Base | Representation |
---|---|
bin | 1011101100111… |
… | …0000000001000 |
3 | 10102100102202002 |
4 | 2323032000020 |
5 | 100031001110 |
6 | 4511530132 |
7 | 1134105236 |
oct | 273160010 |
9 | 112312662 |
10 | 49078280 |
11 | 25781269 |
12 | 14529948 |
13 | a224a04 |
14 | 6737956 |
15 | 4496aa5 |
hex | 2ece008 |
49078280 has 32 divisors (see below), whose sum is σ = 113414040. Its totient is φ = 19100160.
The previous prime is 49078247. The next prime is 49078307. The reversal of 49078280 is 8287094.
It can be written as a sum of positive squares in 4 ways, for example, as 48972004 + 106276 = 6998^2 + 326^2 .
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, 15101 + ... + 18060.
Almost surely, 249078280 is an apocalyptic number.
49078280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
49078280 is an abundant number, since it is smaller than the sum of its proper divisors (64335760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49078280 is a wasteful number, since it uses less digits than its factorization.
49078280 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33209 (or 33205 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 38.
The square root of 49078280 is about 7005.5891972053. The cubic root of 49078280 is about 366.1253315781.
The spelling of 49078280 in words is "forty-nine million, seventy-eight thousand, two hundred eighty".
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