Base | Representation |
---|---|
bin | 1100000100100… |
… | …1100100011101 |
3 | 10112021102101220 |
4 | 3001021210131 |
5 | 100430223424 |
6 | 5005123553 |
7 | 1153242021 |
oct | 301114435 |
9 | 115242356 |
10 | 50632989 |
11 | 26643350 |
12 | 14b595b9 |
13 | a64a564 |
14 | 6a20381 |
15 | 46a2579 |
hex | 304991d |
50632989 has 16 divisors (see below), whose sum is σ = 74858304. Its totient is φ = 30182400.
The previous prime is 50632979. The next prime is 50632993. The reversal of 50632989 is 98923605.
It is not a de Polignac number, because 50632989 - 25 = 50632957 is a prime.
It is a super-3 number, since 3×506329893 (a number of 24 digits) contains 333 as substring.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 50632989.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50632969) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 10564 + ... + 14589.
It is an arithmetic number, because the mean of its divisors is an integer number (4678644).
Almost surely, 250632989 is an apocalyptic number.
It is an amenable number.
50632989 is a deficient number, since it is larger than the sum of its proper divisors (24225315).
50632989 is a wasteful number, since it uses less digits than its factorization.
50632989 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25228.
The product of its (nonzero) digits is 116640, while the sum is 42.
The square root of 50632989 is about 7115.6861229259. The cubic root of 50632989 is about 369.9512694527.
The spelling of 50632989 in words is "fifty million, six hundred thirty-two thousand, nine hundred eighty-nine".
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