Base | Representation |
---|---|
bin | 11110001011101… |
… | …00100101110000 |
3 | 122122102002122211 |
4 | 33011310211300 |
5 | 1004303344433 |
6 | 41042341504 |
7 | 6163013563 |
oct | 1705644560 |
9 | 578362584 |
10 | 253184368 |
11 | 11aa09188 |
12 | 7095a894 |
13 | 405b8c48 |
14 | 258a84da |
15 | 173628cd |
hex | f174970 |
253184368 has 40 divisors (see below), whose sum is σ = 513458208. Its totient is φ = 120713472.
The previous prime is 253184341. The next prime is 253184369. The reversal of 253184368 is 863481352.
253184368 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 253184368.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (253184369) 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, 145230 + ... + 146962.
Almost surely, 2253184368 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 253184368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256729104).
253184368 is an abundant number, since it is smaller than the sum of its proper divisors (260273840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
253184368 is a wasteful number, since it uses less digits than its factorization.
253184368 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2161 (or 2155 counting only the distinct ones).
The product of its digits is 138240, while the sum is 40.
The square root of 253184368 is about 15911.7682235508. The cubic root of 253184368 is about 632.6239498368.
The spelling of 253184368 in words is "two hundred fifty-three million, one hundred eighty-four thousand, three hundred sixty-eight".
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