Base | Representation |
---|---|
bin | 1011011100011… |
… | …0111111011110 |
3 | 10100022200222110 |
4 | 2313012333132 |
5 | 44242012430 |
6 | 4432454450 |
7 | 1122000402 |
oct | 267067736 |
9 | 110280873 |
10 | 48000990 |
11 | 25105944 |
12 | 140aa426 |
13 | 9c3856b |
14 | 6537102 |
15 | 43327b0 |
hex | 2dc6fde |
48000990 has 16 divisors (see below), whose sum is σ = 115202448. Its totient is φ = 12800256.
The previous prime is 48000983. The next prime is 48000991. The reversal of 48000990 is 9900084.
It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 1600033 = 48000990 / (4 + 8 + 0 + 0 + 0 + 9 + 9 + 0).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (48000991) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 799987 + ... + 800046.
It is an arithmetic number, because the mean of its divisors is an integer number (7200153).
Almost surely, 248000990 is an apocalyptic number.
48000990 is an abundant number, since it is smaller than the sum of its proper divisors (67201458).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
48000990 is a wasteful number, since it uses less digits than its factorization.
48000990 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1600043.
The product of its (nonzero) digits is 2592, while the sum is 30.
The square root of 48000990 is about 6928.2746770029. The cubic root of 48000990 is about 363.4266170901.
The spelling of 48000990 in words is "forty-eight million, nine hundred ninety", and thus it is an aban number.
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