Base | Representation |
---|---|
bin | 11101000001011… |
… | …00001001110000 |
3 | 121222002120021110 |
4 | 32200230021300 |
5 | 444310403410 |
6 | 40053553320 |
7 | 6014203110 |
oct | 1640541160 |
9 | 558076243 |
10 | 243450480 |
11 | 11546aa49 |
12 | 69645840 |
13 | 3b58b550 |
14 | 24493040 |
15 | 1658d720 |
hex | e82c270 |
243450480 has 320 divisors, whose sum is σ = 947939328. Its totient is φ = 50319360.
The previous prime is 243450479. The next prime is 243450499. The reversal of 243450480 is 84054342.
It is a Harshad number since it is a multiple of its sum of digits (30).
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 63 ways as a sum of consecutive naturals, for example, 1550562 + ... + 1550718.
Almost surely, 2243450480 is an apocalyptic number.
243450480 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 243450480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (473969664).
243450480 is an abundant number, since it is smaller than the sum of its proper divisors (704488848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
243450480 is a wasteful number, since it uses less digits than its factorization.
243450480 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 264 (or 258 counting only the distinct ones).
The product of its (nonzero) digits is 15360, while the sum is 30.
The square root of 243450480 is about 15602.8997304988. The cubic root of 243450480 is about 624.4105204637.
The spelling of 243450480 in words is "two hundred forty-three million, four hundred fifty thousand, four hundred eighty".
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