Base | Representation |
---|---|
bin | 100110010011… |
… | …111001101101 |
3 | 200220020101120 |
4 | 212103321231 |
5 | 10032333424 |
6 | 555131153 |
7 | 151235565 |
oct | 46237155 |
9 | 20806346 |
10 | 10042989 |
11 | 573a4a0 |
12 | 3443ab9 |
13 | 21082c8 |
14 | 1495da5 |
15 | d35a79 |
hex | 993e6d |
10042989 has 16 divisors (see below), whose sum is σ = 14674944. Its totient is φ = 6058800.
The previous prime is 10042987. The next prime is 10042993. The reversal of 10042989 is 98924001.
It is not a de Polignac number, because 10042989 - 21 = 10042987 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10042987) 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, 8382 + ... + 9504.
It is an arithmetic number, because the mean of its divisors is an integer number (917184).
Almost surely, 210042989 is an apocalyptic number.
It is an amenable number.
10042989 is a deficient number, since it is larger than the sum of its proper divisors (4631955).
10042989 is a wasteful number, since it uses less digits than its factorization.
10042989 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1408.
The product of its (nonzero) digits is 5184, while the sum is 33.
The square root of 10042989 is about 3169.0675284695. The cubic root of 10042989 is about 215.7517509761.
It can be divided in two parts, 1004 and 2989, that added together give a palindrome (3993).
The spelling of 10042989 in words is "ten million, forty-two thousand, nine hundred eighty-nine".
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