Base | Representation |
---|---|
bin | 11101110011100… |
… | …00111011000100 |
3 | 122102110111221002 |
4 | 32321300323010 |
5 | 1003001223440 |
6 | 40450512432 |
7 | 6124110560 |
oct | 1671607304 |
9 | 572414832 |
10 | 250023620 |
11 | 11914a4a0 |
12 | 6b895718 |
13 | 3ca50392 |
14 | 252c46a0 |
15 | 16e3b115 |
hex | ee70ec4 |
250023620 has 96 divisors (see below), whose sum is σ = 658990080. Its totient is φ = 77408640.
The previous prime is 250023577. The next prime is 250023623. The reversal of 250023620 is 26320052.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 250023592 and 250023601.
It is not an unprimeable number, because it can be changed into a prime (250023623) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 275207 + ... + 276113.
It is an arithmetic number, because the mean of its divisors is an integer number (6864480).
Almost surely, 2250023620 is an apocalyptic number.
250023620 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 250023620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (329495040).
250023620 is an abundant number, since it is smaller than the sum of its proper divisors (408966460).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
250023620 is a wasteful number, since it uses less digits than its factorization.
250023620 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1113 (or 1111 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 20.
The square root of 250023620 is about 15812.1352131836. The cubic root of 250023620 is about 629.9803638795.
Adding to 250023620 its reverse (26320052), we get a palindrome (276343672).
The spelling of 250023620 in words is "two hundred fifty million, twenty-three thousand, six hundred twenty".
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