Base | Representation |
---|---|
bin | 101100011010011… |
… | …1011100001110000 |
3 | 10211212012120120001 |
4 | 1120310323201300 |
5 | 11023002122240 |
6 | 403513355344 |
7 | 51634042300 |
oct | 13064734160 |
9 | 3755176501 |
10 | 1490270320 |
11 | 6a5245170 |
12 | 357108b54 |
13 | 1a9996776 |
14 | 101ccd600 |
15 | 8ac7689a |
hex | 58d3b870 |
1490270320 has 480 divisors, whose sum is σ = 4946469120. Its totient is φ = 410296320.
The previous prime is 1490270261. The next prime is 1490270323. The reversal of 1490270320 is 230720941.
It is a Harshad number since it is a multiple of its sum of digits (28).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1490270323) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 13927707 + ... + 13927813.
It is an arithmetic number, because the mean of its divisors is an integer number (10305144).
Almost surely, 21490270320 is an apocalyptic number.
1490270320 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 1490270320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2473234560).
1490270320 is an abundant number, since it is smaller than the sum of its proper divisors (3456198800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1490270320 is a wasteful number, since it uses less digits than its factorization.
1490270320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 181 (or 168 counting only the distinct ones).
The product of its (nonzero) digits is 3024, while the sum is 28.
The square root of 1490270320 is about 38604.0194798417. The cubic root of 1490270320 is about 1142.2338265921.
The spelling of 1490270320 in words is "one billion, four hundred ninety million, two hundred seventy thousand, three hundred twenty".
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