Base | Representation |
---|---|
bin | 1100010111101… |
… | …0101110110010 |
3 | 10121121221000000 |
4 | 3011322232302 |
5 | 101240223210 |
6 | 5052010430 |
7 | 1166666121 |
oct | 305725662 |
9 | 117557000 |
10 | 51882930 |
11 | 27317460 |
12 | 15460a16 |
13 | a997478 |
14 | 6c67ab8 |
15 | 484cac0 |
hex | 317abb2 |
51882930 has 112 divisors (see below), whose sum is σ = 152985024. Its totient is φ = 12558240.
The previous prime is 51882911. The next prime is 51882949. The reversal of 51882930 is 3928815.
It is an interprime number because it is at equal distance from previous prime (51882911) and next prime (51882949).
It is an unprimeable number.
It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 79867 + ... + 80513.
It is a vampire number, since it can be written as 5823 ⋅ 8910 (with its own digits).
Almost surely, 251882930 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 51882930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76492512).
51882930 is an abundant number, since it is smaller than the sum of its proper divisors (101102094).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51882930 is a wasteful number, since it uses less digits than its factorization.
51882930 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 683 (or 668 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 36.
The square root of 51882930 is about 7202.9806330435. The cubic root of 51882930 is about 372.9707993921.
It can be divided in two parts, 5188 and 2930, that added together give a palindrome (8118).
The spelling of 51882930 in words is "fifty-one million, eight hundred eighty-two thousand, nine hundred thirty".
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