Base | Representation |
---|---|
bin | 11001010110000… |
… | …010011001111100 |
3 | 1002122002202220222 |
4 | 121112002121330 |
5 | 1332323114140 |
6 | 110105400512 |
7 | 13352126531 |
oct | 3126023174 |
9 | 1078082828 |
10 | 425207420 |
11 | 1a90226a0 |
12 | ba499138 |
13 | 6a129031 |
14 | 40686d88 |
15 | 274e25b5 |
hex | 1958267c |
425207420 has 24 divisors (see below), whose sum is σ = 974112048. Its totient is φ = 154620800.
The previous prime is 425207413. The next prime is 425207459. The reversal of 425207420 is 24702524.
It is a self number, because there is not a number n which added to its sum of digits gives 425207420.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 966161 + ... + 966600.
It is an arithmetic number, because the mean of its divisors is an integer number (40588002).
Almost surely, 2425207420 is an apocalyptic number.
It is an amenable number.
425207420 is an abundant number, since it is smaller than the sum of its proper divisors (548904628).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
425207420 is a wasteful number, since it uses less digits than its factorization.
425207420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1932781 (or 1932779 counting only the distinct ones).
The product of its (nonzero) digits is 4480, while the sum is 26.
The square root of 425207420 is about 20620.5581883711. The cubic root of 425207420 is about 751.9695904973.
Adding to 425207420 its reverse (24702524), we get a palindrome (449909944).
The spelling of 425207420 in words is "four hundred twenty-five million, two hundred seven thousand, four hundred twenty".
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