Base | Representation |
---|---|
bin | 1011100010000… |
… | …1100100010110 |
3 | 10101000112220012 |
4 | 2320201210112 |
5 | 44340400430 |
6 | 4444440222 |
7 | 1125104132 |
oct | 270414426 |
9 | 111015805 |
10 | 48371990 |
11 | 25339657 |
12 | 14249072 |
13 | a0383a4 |
14 | 65d23c2 |
15 | 43a7695 |
hex | 2e21916 |
48371990 has 64 divisors (see below), whose sum is σ = 95648256. Its totient is φ = 17563392.
The previous prime is 48371951. The next prime is 48372017. The reversal of 48371990 is 9917384.
48371990 = 102 + 112 + ... + 5252.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 662594 + ... + 662666.
It is an arithmetic number, because the mean of its divisors is an integer number (1494504).
Almost surely, 248371990 is an apocalyptic number.
48371990 is a deficient number, since it is larger than the sum of its proper divisors (47276266).
48371990 is a wasteful number, since it uses less digits than its factorization.
48371990 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 213.
The product of its (nonzero) digits is 54432, while the sum is 41.
The square root of 48371990 is about 6954.9974838241. The cubic root of 48371990 is about 364.3605241354.
The spelling of 48371990 in words is "forty-eight million, three hundred seventy-one thousand, nine hundred ninety".
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