Base | Representation |
---|---|
bin | 11101110100011… |
… | …00100111000110 |
3 | 122102200021111110 |
4 | 32322030213012 |
5 | 1003013341110 |
6 | 40453145450 |
7 | 6125062323 |
oct | 1672144706 |
9 | 572607443 |
10 | 250137030 |
11 | 119217720 |
12 | 6b92b286 |
13 | 3ca8cba0 |
14 | 25313b4a |
15 | 16e5ea20 |
hex | ee8c9c6 |
250137030 has 128 divisors (see below), whose sum is σ = 711244800. Its totient is φ = 55503360.
The previous prime is 250137011. The next prime is 250137037. The reversal of 250137030 is 30731052.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 250136988 and 250137006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (250137037) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 853564 + ... + 853856.
It is an arithmetic number, because the mean of its divisors is an integer number (5556600).
Almost surely, 2250137030 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 250137030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (355622400).
250137030 is an abundant number, since it is smaller than the sum of its proper divisors (461107770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
250137030 is a wasteful number, since it uses less digits than its factorization.
250137030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 526.
The product of its (nonzero) digits is 630, while the sum is 21.
The square root of 250137030 is about 15815.7209762944. The cubic root of 250137030 is about 630.0756019123.
Adding to 250137030 its reverse (30731052), we get a palindrome (280868082).
The spelling of 250137030 in words is "two hundred fifty million, one hundred thirty-seven thousand, thirty".
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