Base | Representation |
---|---|
bin | 101010010110010… |
… | …1001000000000000 |
3 | 10200000211200122121 |
4 | 1110230221000000 |
5 | 10402233112131 |
6 | 353000414024 |
7 | 50133126241 |
oct | 12454510000 |
9 | 3600750577 |
10 | 1420988416 |
11 | 66a1246a1 |
12 | 337a77314 |
13 | 198519a63 |
14 | d6a16cc8 |
15 | 84b3d911 |
hex | 54b29000 |
1420988416 has 117 divisors (see below), whose sum is σ = 3098925603. Its totient is φ = 651386880.
The previous prime is 1420988411. The next prime is 1420988417. The reversal of 1420988416 is 6148890241.
The square root of 1420988416 is 37696.
It is a perfect power (a square), and thus also a powerful number.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1420988411) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 45838321 + ... + 45838351.
Almost surely, 21420988416 is an apocalyptic number.
1420988416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
1420988416 is the 37696-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1420988416
1420988416 is an abundant number, since it is smaller than the sum of its proper divisors (1677937187).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1420988416 is an frugal number, since it uses more digits than its factorization.
1420988416 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 124 (or 52 counting only the distinct ones).
The product of its (nonzero) digits is 110592, while the sum is 43.
The cubic root of 1420988416 is about 1124.2515953381.
The spelling of 1420988416 in words is "one billion, four hundred twenty million, nine hundred eighty-eight thousand, four hundred sixteen".
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