Base | Representation |
---|---|
bin | 11101110101001… |
… | …11000100101100 |
3 | 122102212210011220 |
4 | 32322213010230 |
5 | 1003030323140 |
6 | 40455343340 |
7 | 6126023325 |
oct | 1672470454 |
9 | 572783156 |
10 | 250245420 |
11 | 1192910a7 |
12 | 6b981b50 |
13 | 3caca319 |
14 | 2534144c |
15 | 16e81bd0 |
hex | eea712c |
250245420 has 24 divisors (see below), whose sum is σ = 700687344. Its totient is φ = 66732096.
The previous prime is 250245419. The next prime is 250245421. The reversal of 250245420 is 24542052.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (250245419) and next prime (250245421).
It is not an unprimeable number, because it can be changed into a prime (250245421) 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, 2085319 + ... + 2085438.
It is an arithmetic number, because the mean of its divisors is an integer number (29195306).
Almost surely, 2250245420 is an apocalyptic number.
250245420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
250245420 is an abundant number, since it is smaller than the sum of its proper divisors (450441924).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
250245420 is a wasteful number, since it uses less digits than its factorization.
250245420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4170769 (or 4170767 counting only the distinct ones).
The product of its (nonzero) digits is 3200, while the sum is 24.
The square root of 250245420 is about 15819.1472589391. The cubic root of 250245420 is about 630.1665974124.
Adding to 250245420 its reverse (24542052), we get a palindrome (274787472).
The spelling of 250245420 in words is "two hundred fifty million, two hundred forty-five thousand, four hundred twenty".
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