Base | Representation |
---|---|
bin | 11110001000111… |
… | …10001101110100 |
3 | 122121202010100120 |
4 | 33010132031310 |
5 | 1004211034310 |
6 | 41031011540 |
7 | 6160011252 |
oct | 1704361564 |
9 | 577663316 |
10 | 252830580 |
11 | 11a7973a2 |
12 | 70809bb0 |
13 | 404c3bc2 |
14 | 258155d2 |
15 | 172e2b70 |
hex | f11e374 |
252830580 has 24 divisors (see below), whose sum is σ = 707925792. Its totient is φ = 67421472.
The previous prime is 252830569. The next prime is 252830581. The reversal of 252830580 is 85038252.
252830580 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a super-3 number, since 3×2528305803 (a number of 26 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (252830581) 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, 2106862 + ... + 2106981.
It is an arithmetic number, because the mean of its divisors is an integer number (29496908).
Almost surely, 2252830580 is an apocalyptic number.
252830580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
252830580 is an abundant number, since it is smaller than the sum of its proper divisors (455095212).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
252830580 is a wasteful number, since it uses less digits than its factorization.
252830580 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4213855 (or 4213853 counting only the distinct ones).
The product of its (nonzero) digits is 19200, while the sum is 33.
The square root of 252830580 is about 15900.6471566411. The cubic root of 252830580 is about 632.3291461013.
The spelling of 252830580 in words is "two hundred fifty-two million, eight hundred thirty thousand, five hundred eighty".
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