Base | Representation |
---|---|
bin | 11110010011011… |
… | …01000010100100 |
3 | 122201022210121122 |
4 | 33021231002210 |
5 | 1010033431040 |
6 | 41120233112 |
7 | 6204452522 |
oct | 1711550244 |
9 | 581283548 |
10 | 254202020 |
11 | 120543816 |
12 | 7116b798 |
13 | 408841c7 |
14 | 25a91312 |
15 | 174b41b5 |
hex | f26d0a4 |
254202020 has 48 divisors (see below), whose sum is σ = 573713280. Its totient is φ = 94262784.
The previous prime is 254202019. The next prime is 254202097. The reversal of 254202020 is 20202452.
It is a Harshad number since it is a multiple of its sum of digits (17).
It is a self number, because there is not a number n which added to its sum of digits gives 254202020.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17201 + ... + 28359.
It is an arithmetic number, because the mean of its divisors is an integer number (11952360).
Almost surely, 2254202020 is an apocalyptic number.
254202020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 254202020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286856640).
254202020 is an abundant number, since it is smaller than the sum of its proper divisors (319511260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
254202020 is a wasteful number, since it uses less digits than its factorization.
254202020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11252 (or 11250 counting only the distinct ones).
The product of its (nonzero) digits is 320, while the sum is 17.
The square root of 254202020 is about 15943.7141218726. The cubic root of 254202020 is about 633.4704086187.
Adding to 254202020 its reverse (20202452), we get a palindrome (274404472).
The spelling of 254202020 in words is "two hundred fifty-four million, two hundred two thousand, twenty".
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