Base | Representation |
---|---|
bin | 11101110011010… |
… | …00100010110100 |
3 | 122102101202211222 |
4 | 32321220202310 |
5 | 1002444124200 |
6 | 40450045512 |
7 | 6123605531 |
oct | 1671504264 |
9 | 572352758 |
10 | 249989300 |
11 | 119126730 |
12 | 6b879898 |
13 | 3ca3a882 |
14 | 252b5d88 |
15 | 16e30d85 |
hex | ee688b4 |
249989300 has 144 divisors (see below), whose sum is σ = 635209344. Its totient is φ = 84480000.
The previous prime is 249989269. The next prime is 249989321. The reversal of 249989300 is 3989942.
249989300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×2499893002 = 124989300228980000, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (44).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1037180 + ... + 1037420.
It is an arithmetic number, because the mean of its divisors is an integer number (4411176).
Almost surely, 2249989300 is an apocalyptic number.
249989300 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 249989300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (317604672).
249989300 is an abundant number, since it is smaller than the sum of its proper divisors (385220044).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
249989300 is a wasteful number, since it uses less digits than its factorization.
249989300 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 330 (or 323 counting only the distinct ones).
The product of its (nonzero) digits is 139968, while the sum is 44.
The square root of 249989300 is about 15811.0499335117. The cubic root of 249989300 is about 629.9515373824.
The spelling of 249989300 in words is "two hundred forty-nine million, nine hundred eighty-nine thousand, three hundred".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •