| Base | Representation |
|---|---|
| bin | 11011001101101… |
| … | …11110100110100 |
| 3 | 120220120112102010 |
| 4 | 31212313310310 |
| 5 | 431420401230 |
| 6 | 34353044220 |
| 7 | 5441316000 |
| oct | 1546676464 |
| 9 | 526515363 |
| 10 | 228293940 |
| 11 | 107958686 |
| 12 | 64556670 |
| 13 | 383b2894 |
| 14 | 22469700 |
| 15 | 150979b0 |
| hex | d9b7d34 |
228293940 has 96 divisors (see below), whose sum is σ = 745516800. Its totient is φ = 52176768.
The previous prime is 228293939. The next prime is 228293941. The reversal of 228293940 is 49392822.
It is a happy number.
228293940 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (228293939) and next prime (228293941).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (228293941) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15034 + ... + 26126.
It is an arithmetic number, because the mean of its divisors is an integer number (7765800).
Almost surely, 2228293940 is an apocalyptic number.
228293940 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 228293940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (372758400).
228293940 is an abundant number, since it is smaller than the sum of its proper divisors (517222860).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
228293940 is a wasteful number, since it uses less digits than its factorization.
228293940 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11126 (or 11110 counting only the distinct ones).
The product of its (nonzero) digits is 62208, while the sum is 39.
The square root of 228293940 is about 15109.3990615113. The cubic root of 228293940 is about 611.1738928582.
The spelling of 228293940 in words is "two hundred twenty-eight million, two hundred ninety-three thousand, nine hundred forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •