Base | Representation |
---|---|
bin | 11101111011001… |
… | …001101011101100 |
3 | 1021222200112211211 |
4 | 131323021223230 |
5 | 2012010423140 |
6 | 121452324204 |
7 | 15304213162 |
oct | 3573115354 |
9 | 1258615754 |
10 | 502045420 |
11 | 238434178 |
12 | 120173664 |
13 | 800200c6 |
14 | 4a969232 |
15 | 2e11e2ea |
hex | 1dec9aec |
502045420 has 48 divisors (see below), whose sum is σ = 1073979648. Its totient is φ = 197101760.
The previous prime is 502045393. The next prime is 502045429. The reversal of 502045420 is 24540205.
It is a junction number, because it is equal to n+sod(n) for n = 502045391 and 502045400.
It is not an unprimeable number, because it can be changed into a prime (502045429) 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, 276315 + ... + 278125.
It is an arithmetic number, because the mean of its divisors is an integer number (22374576).
Almost surely, 2502045420 is an apocalyptic number.
It is an amenable number.
502045420 is an abundant number, since it is smaller than the sum of its proper divisors (571934228).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
502045420 is a wasteful number, since it uses less digits than its factorization.
502045420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2070 (or 2068 counting only the distinct ones).
The product of its (nonzero) digits is 1600, while the sum is 22.
The square root of 502045420 is about 22406.3700763868. The cubic root of 502045420 is about 794.7813541095.
Adding to 502045420 its reverse (24540205), we get a palindrome (526585625).
The spelling of 502045420 in words is "five hundred two million, forty-five thousand, four hundred twenty".
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