| Base | Representation |
|---|---|
| bin | 10100100101001… |
| … | …100000111100000 |
| 3 | 220001201201100000 |
| 4 | 110211030013200 |
| 5 | 1201343341110 |
| 6 | 54132500000 |
| 7 | 11361641643 |
| oct | 2445140740 |
| 9 | 801651300 |
| 10 | 345293280 |
| 11 | 1679aaa52 |
| 12 | 9777a600 |
| 13 | 566c8a67 |
| 14 | 33c03a5a |
| 15 | 204a91c0 |
| hex | 1494c1e0 |
345293280 has 288 divisors, whose sum is σ = 1248234624. Its totient is φ = 90118656.
The previous prime is 345293257. The next prime is 345293303. The reversal of 345293280 is 82392543.
345293280 is a `hidden beast` number, since 345 + 293 + 28 + 0 = 666.
It is an interprime number because it is at equal distance from previous prime (345293257) and next prime (345293303).
It is a tau number, because it is divible by the number of its divisors (288).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3226987 + ... + 3227093.
It is an arithmetic number, because the mean of its divisors is an integer number (4334148).
Almost surely, 2345293280 is an apocalyptic number.
345293280 is a gapful number since it is divisible by the number (30) 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 345293280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (624117312).
345293280 is an abundant number, since it is smaller than the sum of its proper divisors (902941344).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
345293280 is a wasteful number, since it uses less digits than its factorization.
345293280 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 220 (or 200 counting only the distinct ones).
The product of its (nonzero) digits is 51840, while the sum is 36.
The square root of 345293280 is about 18582.0687761078. The cubic root of 345293280 is about 701.5565904648.
The spelling of 345293280 in words is "three hundred forty-five million, two hundred ninety-three thousand, two hundred eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •