Base | Representation |
---|---|
bin | 1100001011001… |
… | …0010101110010 |
3 | 10120002020002000 |
4 | 3002302111302 |
5 | 101032442010 |
6 | 5022234430 |
7 | 1160010120 |
oct | 302622562 |
9 | 116066060 |
10 | 51062130 |
11 | 26906809 |
12 | 15125a16 |
13 | a76a9a2 |
14 | 6ad2910 |
15 | 47397c0 |
hex | 30b2572 |
51062130 has 64 divisors (see below), whose sum is σ = 155623680. Its totient is φ = 11670912.
The previous prime is 51062129. The next prime is 51062149. The reversal of 51062130 is 3126015.
51062130 is a `hidden beast` number, since 5 + 10 + 621 + 30 = 666.
It is a super-2 number, since 2×510621302 = 5214682240273800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11619 + ... + 15398.
It is an arithmetic number, because the mean of its divisors is an integer number (2431620).
Almost surely, 251062130 is an apocalyptic number.
51062130 is an abundant number, since it is smaller than the sum of its proper divisors (104561550).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51062130 is a wasteful number, since it uses less digits than its factorization.
51062130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27040 (or 27034 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 18.
The square root of 51062130 is about 7145.7770746085. Note that the first 3 decimals coincide. The cubic root of 51062130 is about 370.9935071504.
Adding to 51062130 its reverse (3126015), we get a palindrome (54188145).
The spelling of 51062130 in words is "fifty-one million, sixty-two thousand, one hundred thirty".
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