Base | Representation |
---|---|
bin | 101010011101110… |
… | …0110111101011100 |
3 | 10200022020001002200 |
4 | 1110323212331130 |
5 | 10404234142340 |
6 | 353220451500 |
7 | 50211361014 |
oct | 12473467534 |
9 | 3608201080 |
10 | 1424912220 |
11 | 671364706 |
12 | 339249b90 |
13 | 199291a34 |
14 | d7358c44 |
15 | 85166330 |
hex | 54ee6f5c |
1424912220 has 144 divisors (see below), whose sum is σ = 4566001440. Its totient is φ = 358691328.
The previous prime is 1424912219. The next prime is 1424912233. The reversal of 1424912220 is 222194241.
1424912220 is a `hidden beast` number, since 1 + 424 + 9 + 12 + 220 = 666.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1275102 + ... + 1276218.
Almost surely, 21424912220 is an apocalyptic number.
1424912220 is a gapful number since it is divisible by the number (10) 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 1424912220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2283000720).
1424912220 is an abundant number, since it is smaller than the sum of its proper divisors (3141089220).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1424912220 is a wasteful number, since it uses less digits than its factorization.
1424912220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1524 (or 1519 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 27.
The square root of 1424912220 is about 37748.0094839450. The cubic root of 1424912220 is about 1125.2854505284.
The spelling of 1424912220 in words is "one billion, four hundred twenty-four million, nine hundred twelve thousand, two hundred twenty".
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