Base | Representation |
---|---|
bin | 1100001010010… |
… | …0110111110000 |
3 | 10112222102101200 |
4 | 3002210313300 |
5 | 101024210320 |
6 | 5021131200 |
7 | 1156360224 |
oct | 302446760 |
9 | 115872350 |
10 | 51006960 |
11 | 26879314 |
12 | 150b9b00 |
13 | a74b844 |
14 | 6aba784 |
15 | 4728290 |
hex | 30a4df0 |
51006960 has 60 divisors (see below), whose sum is σ = 171300792. Its totient is φ = 13601664.
The previous prime is 51006947. The next prime is 51006983. The reversal of 51006960 is 6960015.
It is a tau number, because it is divible by the number of its divisors (60).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34702 + ... + 36141.
Almost surely, 251006960 is an apocalyptic number.
It is an amenable number.
51006960 is an abundant number, since it is smaller than the sum of its proper divisors (120293832).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51006960 is a wasteful number, since it uses less digits than its factorization.
51006960 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 70862 (or 70853 counting only the distinct ones).
The product of its (nonzero) digits is 1620, while the sum is 27.
The square root of 51006960 is about 7141.9157093878. The cubic root of 51006960 is about 370.8598458790.
Adding to 51006960 its reverse (6960015), we get a palindrome (57966975).
The spelling of 51006960 in words is "fifty-one million, six thousand, nine hundred sixty".
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