Base | Representation |
---|---|
bin | 1011111111101… |
… | …0110100010100 |
3 | 10111200000220220 |
4 | 2333322310110 |
5 | 100334413140 |
6 | 4554154340 |
7 | 1150426416 |
oct | 277726424 |
9 | 114600826 |
10 | 50310420 |
11 | 26442a66 |
12 | 14a229b0 |
13 | a5667a4 |
14 | 69789b6 |
15 | 463bbd0 |
hex | 2ffad14 |
50310420 has 48 divisors (see below), whose sum is σ = 141740928. Its totient is φ = 13333120.
The previous prime is 50310413. The next prime is 50310443. The reversal of 50310420 is 2401305.
It is a super-2 number, since 2×503104202 = 5062276721152800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 50310420.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7510 + ... + 12530.
It is an arithmetic number, because the mean of its divisors is an integer number (2952936).
Almost surely, 250310420 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 50310420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70870464).
50310420 is an abundant number, since it is smaller than the sum of its proper divisors (91430508).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
50310420 is a wasteful number, since it uses less digits than its factorization.
50310420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5200 (or 5198 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 15.
The square root of 50310420 is about 7092.9838573058. The cubic root of 50310420 is about 369.1639755647.
Adding to 50310420 its reverse (2401305), we get a palindrome (52711725).
The spelling of 50310420 in words is "fifty million, three hundred ten thousand, four hundred twenty".
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