Base | Representation |
---|---|
bin | 101010011110001… |
… | …0101100110001000 |
3 | 10200022120202010111 |
4 | 1110330111212020 |
5 | 10404311300430 |
6 | 353224524104 |
7 | 50213114641 |
oct | 12474254610 |
9 | 3608522114 |
10 | 1425103240 |
11 | 671485180 |
12 | 339320634 |
13 | 19932a972 |
14 | d73a86c8 |
15 | 851a2c2a |
hex | 54f15988 |
1425103240 has 64 divisors (see below), whose sum is σ = 3506976000. Its totient is φ = 516887040.
The previous prime is 1425103237. The next prime is 1425103261. The reversal of 1425103240 is 423015241.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176001 + ... + 183919.
It is an arithmetic number, because the mean of its divisors is an integer number (54796500).
Almost surely, 21425103240 is an apocalyptic number.
1425103240 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 1425103240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1753488000).
1425103240 is an abundant number, since it is smaller than the sum of its proper divisors (2081872760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1425103240 is a wasteful number, since it uses less digits than its factorization.
1425103240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8350 (or 8346 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 22.
The square root of 1425103240 is about 37750.5395987925. The cubic root of 1425103240 is about 1125.3357325549.
Adding to 1425103240 its reverse (423015241), we get a palindrome (1848118481).
The spelling of 1425103240 in words is "one billion, four hundred twenty-five million, one hundred three thousand, two hundred forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •