Base | Representation |
---|---|
bin | 11110001010100… |
… | …00101101101100 |
3 | 122122010122002022 |
4 | 33011100231230 |
5 | 1004234144140 |
6 | 41035245312 |
7 | 6161532266 |
oct | 1705205554 |
9 | 578118068 |
10 | 253037420 |
11 | 11a918839 |
12 | 708a9838 |
13 | 405670ac |
14 | 2586ab36 |
15 | 173340b5 |
hex | f150b6c |
253037420 has 12 divisors (see below), whose sum is σ = 531378624. Its totient is φ = 101214960.
The previous prime is 253037387. The next prime is 253037471. The reversal of 253037420 is 24730352.
253037420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 253037420.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6325916 + ... + 6325955.
It is an arithmetic number, because the mean of its divisors is an integer number (44281552).
Almost surely, 2253037420 is an apocalyptic number.
253037420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
253037420 is an abundant number, since it is smaller than the sum of its proper divisors (278341204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
253037420 is a wasteful number, since it uses less digits than its factorization.
253037420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12651880 (or 12651878 counting only the distinct ones).
The product of its (nonzero) digits is 5040, while the sum is 26.
The square root of 253037420 is about 15907.1499647171. The cubic root of 253037420 is about 632.5015346763.
Adding to 253037420 its reverse (24730352), we get a palindrome (277767772).
It can be divided in two parts, 25303 and 7420, that added together give a palindrome (32723).
The spelling of 253037420 in words is "two hundred fifty-three million, thirty-seven thousand, four hundred twenty".
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