Base | Representation |
---|---|
bin | 1011101101100… |
… | …1100001110010 |
3 | 10102102211111121 |
4 | 2323121201302 |
5 | 100034003430 |
6 | 4512532454 |
7 | 1134363001 |
oct | 273314162 |
9 | 112384447 |
10 | 49125490 |
11 | 25803787 |
12 | 1455112a |
13 | a24034b |
14 | 674ac38 |
15 | 44a5a7a |
hex | 2ed9872 |
49125490 has 16 divisors (see below), whose sum is σ = 88710552. Its totient is φ = 19586944.
The previous prime is 49125473. The next prime is 49125497. The reversal of 49125490 is 9452194.
It can be written as a sum of positive squares in 4 ways, for example, as 40487769 + 8637721 = 6363^2 + 2939^2 .
It is not an unprimeable number, because it can be changed into a prime (49125497) 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, 4579 + ... + 10918.
Almost surely, 249125490 is an apocalyptic number.
49125490 is a deficient number, since it is larger than the sum of its proper divisors (39585062).
49125490 is a wasteful number, since it uses less digits than its factorization.
49125490 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15821.
The product of its (nonzero) digits is 12960, while the sum is 34.
The square root of 49125490 is about 7008.9578397933. The cubic root of 49125490 is about 366.2426899262.
The spelling of 49125490 in words is "forty-nine million, one hundred twenty-five thousand, four hundred ninety".
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