Base | Representation |
---|---|
bin | 1011101010000… |
… | …0001001111010 |
3 | 10101222220010220 |
4 | 2322200021322 |
5 | 100003443430 |
6 | 4503520510 |
7 | 1132363605 |
oct | 272401172 |
9 | 111886126 |
10 | 48890490 |
11 | 25663170 |
12 | 14459136 |
13 | a18a3ac |
14 | 66c933c |
15 | 445b110 |
hex | 2ea027a |
48890490 has 32 divisors (see below), whose sum is σ = 128005056. Its totient is φ = 11852160.
The previous prime is 48890489. The next prime is 48890497. The reversal of 48890490 is 9409884.
It is not an unprimeable number, because it can be changed into a prime (48890497) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73747 + ... + 74406.
It is an arithmetic number, because the mean of its divisors is an integer number (4000158).
Almost surely, 248890490 is an apocalyptic number.
48890490 is an abundant number, since it is smaller than the sum of its proper divisors (79114566).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
48890490 is a wasteful number, since it uses less digits than its factorization.
48890490 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 148174.
The product of its (nonzero) digits is 82944, while the sum is 42.
The square root of 48890490 is about 6992.1734818295. The cubic root of 48890490 is about 365.6577618389.
The spelling of 48890490 in words is "forty-eight million, eight hundred ninety thousand, four hundred ninety".
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