| Base | Representation |
|---|---|
| bin | 11011111001001… |
| … | …10100010001000 |
| 3 | 121022021221022200 |
| 4 | 31330212202020 |
| 5 | 434400142110 |
| 6 | 35115120200 |
| 7 | 5540612256 |
| oct | 1574464210 |
| 9 | 538257280 |
| 10 | 233990280 |
| 11 | 1100993a7 |
| 12 | 66443060 |
| 13 | 396285b4 |
| 14 | 2310d5d6 |
| 15 | 158206c0 |
| hex | df26888 |
233990280 has 192 divisors, whose sum is σ = 792529920. Its totient is φ = 59827200.
The previous prime is 233990269. The next prime is 233990291. The reversal of 233990280 is 82099332.
It is an interprime number because it is at equal distance from previous prime (233990269) and next prime (233990291).
It is a super-2 number, since 2×2339902802 = 109502902268956800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1224985 + ... + 1225175.
It is an arithmetic number, because the mean of its divisors is an integer number (4127760).
Almost surely, 2233990280 is an apocalyptic number.
233990280 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 233990280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (396264960).
233990280 is an abundant number, since it is smaller than the sum of its proper divisors (558539640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
233990280 is a wasteful number, since it uses less digits than its factorization.
233990280 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 332 (or 325 counting only the distinct ones).
The product of its (nonzero) digits is 23328, while the sum is 36.
The square root of 233990280 is about 15296.7408293401. The cubic root of 233990280 is about 616.2154823242.
It can be divided in two parts, 233990 and 280, that added together give a triangular number (234270 = T684).
The spelling of 233990280 in words is "two hundred thirty-three million, nine hundred ninety thousand, two hundred eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •