Base | Representation |
---|---|
bin | 1100001010101… |
… | …0010010001100 |
3 | 10120000112210212 |
4 | 3002222102030 |
5 | 101030413012 |
6 | 5021421552 |
7 | 1156511660 |
oct | 302522214 |
9 | 116015725 |
10 | 51029132 |
11 | 26893a40 |
12 | 1510a8b8 |
13 | a75896b |
14 | 6ac48a0 |
15 | 472eb22 |
hex | 30aa48c |
51029132 has 48 divisors (see below), whose sum is σ = 113955072. Its totient is φ = 19414080.
The previous prime is 51029093. The next prime is 51029137. The reversal of 51029132 is 23192015.
It is a junction number, because it is equal to n+sod(n) for n = 51029098 and 51029107.
It is not an unprimeable number, because it can be changed into a prime (51029137) 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, 11318 + ... + 15170.
It is an arithmetic number, because the mean of its divisors is an integer number (2374064).
Almost surely, 251029132 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 51029132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56977536).
51029132 is an abundant number, since it is smaller than the sum of its proper divisors (62925940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51029132 is a wasteful number, since it uses less digits than its factorization.
51029132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3918 (or 3916 counting only the distinct ones).
The product of its (nonzero) digits is 540, while the sum is 23.
The square root of 51029132 is about 7143.4677853267. The cubic root of 51029132 is about 370.9135739281.
The spelling of 51029132 in words is "fifty-one million, twenty-nine thousand, one hundred thirty-two".
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