Base | Representation |
---|---|
bin | 11101111110010… |
… | …111111110010100 |
3 | 1022001021110220221 |
4 | 131332113332110 |
5 | 2012214443023 |
6 | 121522404124 |
7 | 15314332510 |
oct | 3576277624 |
9 | 1261243827 |
10 | 502890388 |
11 | 238960aa0 |
12 | 120500644 |
13 | 802578a0 |
14 | 4ab09140 |
15 | 2e23985d |
hex | 1df97f94 |
502890388 has 48 divisors (see below), whose sum is σ = 1181625984. Its totient is φ = 180858240.
The previous prime is 502890361. The next prime is 502890391. The reversal of 502890388 is 883098205.
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, 58795 + ... + 66802.
It is an arithmetic number, because the mean of its divisors is an integer number (24617208).
Almost surely, 2502890388 is an apocalyptic number.
It is an amenable number.
502890388 is an abundant number, since it is smaller than the sum of its proper divisors (678735596).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
502890388 is a wasteful number, since it uses less digits than its factorization.
502890388 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 125632 (or 125630 counting only the distinct ones).
The product of its (nonzero) digits is 138240, while the sum is 43.
The square root of 502890388 is about 22425.2176801029. The cubic root of 502890388 is about 795.2269900201.
The spelling of 502890388 in words is "five hundred two million, eight hundred ninety thousand, three hundred eighty-eight".
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