Base | Representation |
---|---|
bin | 1010101111100… |
… | …10111100010011 |
3 | 20021120202221211 |
4 | 11113302330103 |
5 | 141032432201 |
6 | 12535400551 |
7 | 2143020223 |
oct | 527627423 |
9 | 207522854 |
10 | 90124051 |
11 | 46966596 |
12 | 26223157 |
13 | 15896554 |
14 | bd80083 |
15 | 7da3651 |
hex | 55f2f13 |
90124051 has 16 divisors (see below), whose sum is σ = 96712704. Its totient is φ = 83785504.
The previous prime is 90124043. The next prime is 90124057. The reversal of 90124051 is 15042109.
It is not a de Polignac number, because 90124051 - 23 = 90124043 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (90124057) 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, 284145 + ... + 284461.
It is an arithmetic number, because the mean of its divisors is an integer number (6044544).
Almost surely, 290124051 is an apocalyptic number.
90124051 is a deficient number, since it is larger than the sum of its proper divisors (6588653).
90124051 is a wasteful number, since it uses less digits than its factorization.
90124051 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 650.
The product of its (nonzero) digits is 360, while the sum is 22.
The square root of 90124051 is about 9493.3687908982. The cubic root of 90124051 is about 448.3462774401.
The spelling of 90124051 in words is "ninety million, one hundred twenty-four thousand, fifty-one".
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