Base | Representation |
---|---|
bin | 1011111100111… |
… | …0111000010010 |
3 | 10111022220001100 |
4 | 2333032320102 |
5 | 100313133300 |
6 | 4550245230 |
7 | 1146046626 |
oct | 277167022 |
9 | 114286040 |
10 | 50130450 |
11 | 2632a827 |
12 | 14956816 |
13 | a5028b6 |
14 | 692d186 |
15 | 4603700 |
hex | 2fcee12 |
50130450 has 72 divisors (see below), whose sum is σ = 142628148. Its totient is φ = 12579840.
The previous prime is 50130439. The next prime is 50130481. The reversal of 50130450 is 5403105.
It can be written as a sum of positive squares in 6 ways, for example, as 21261321 + 28869129 = 4611^2 + 5373^2 .
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 35 ways as a sum of consecutive naturals, for example, 4374 + ... + 10926.
Almost surely, 250130450 is an apocalyptic number.
50130450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 50130450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71314074).
50130450 is an abundant number, since it is smaller than the sum of its proper divisors (92497698).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
50130450 is a wasteful number, since it uses less digits than its factorization.
50130450 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6588 (or 6580 counting only the distinct ones).
The product of its (nonzero) digits is 300, while the sum is 18.
The square root of 50130450 is about 7080.2860111721. The cubic root of 50130450 is about 368.7232595758.
Adding to 50130450 its reverse (5403105), we get a palindrome (55533555).
The spelling of 50130450 in words is "fifty million, one hundred thirty thousand, four hundred fifty".
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