Base | Representation |
---|---|
bin | 100010011110011… |
… | …011001111100100 |
3 | 1111022100211100121 |
4 | 202132123033210 |
5 | 2141032320002 |
6 | 133221051324 |
7 | 20222221012 |
oct | 4236331744 |
9 | 1438324317 |
10 | 578401252 |
11 | 277546470 |
12 | 141856b44 |
13 | 92aa5880 |
14 | 56b638b2 |
15 | 35ba3237 |
hex | 2279b3e4 |
578401252 has 24 divisors (see below), whose sum is σ = 1189161792. Its totient is φ = 242685600.
The previous prime is 578401199. The next prime is 578401253. The reversal of 578401252 is 252104875.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (578401253) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 505024 + ... + 506167.
It is an arithmetic number, because the mean of its divisors is an integer number (49548408).
Almost surely, 2578401252 is an apocalyptic number.
578401252 is a gapful number since it is divisible by the number (52) formed by its first and last digit.
It is an amenable number.
578401252 is an abundant number, since it is smaller than the sum of its proper divisors (610760540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
578401252 is a wasteful number, since it uses less digits than its factorization.
578401252 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1011219 (or 1011217 counting only the distinct ones).
The product of its (nonzero) digits is 22400, while the sum is 34.
The square root of 578401252 is about 24049.9740540401. The cubic root of 578401252 is about 833.1881312166.
The spelling of 578401252 in words is "five hundred seventy-eight million, four hundred one thousand, two hundred fifty-two".
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