Base | Representation |
---|---|
bin | 1100010101101… |
… | …1100000100110 |
3 | 10121101102120120 |
4 | 3011123200212 |
5 | 101222130141 |
6 | 5045142410 |
7 | 1165624230 |
oct | 305334046 |
9 | 117342516 |
10 | 51755046 |
11 | 2723a372 |
12 | 153baa06 |
13 | a9511b5 |
14 | 6c33250 |
15 | 4824c66 |
hex | 315b826 |
51755046 has 32 divisors (see below), whose sum is σ = 118537728. Its totient is φ = 14757120.
The previous prime is 51755009. The next prime is 51755047. The reversal of 51755046 is 64055715.
It is a junction number, because it is equal to n+sod(n) for n = 51754998 and 51755016.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51755047) 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, 27351 + ... + 29181.
It is an arithmetic number, because the mean of its divisors is an integer number (3704304).
Almost surely, 251755046 is an apocalyptic number.
51755046 is an abundant number, since it is smaller than the sum of its proper divisors (66782682).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51755046 is a wasteful number, since it uses less digits than its factorization.
51755046 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2516.
The product of its (nonzero) digits is 21000, while the sum is 33.
The square root of 51755046 is about 7194.0979976645. The cubic root of 51755046 is about 372.6641073824.
The spelling of 51755046 in words is "fifty-one million, seven hundred fifty-five thousand, forty-six".
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