Base | Representation |
---|---|
bin | 11001010101010… |
… | …101011110111100 |
3 | 1002121202102112011 |
4 | 121111111132330 |
5 | 1332301222140 |
6 | 110101421004 |
7 | 13350432223 |
oct | 3125253674 |
9 | 1077672464 |
10 | 425023420 |
11 | 1a8a07428 |
12 | ba40a764 |
13 | 6a093363 |
14 | 40639cba |
15 | 274a7cea |
hex | 195557bc |
425023420 has 24 divisors (see below), whose sum is σ = 923328000. Its totient is φ = 164146752.
The previous prime is 425023381. The next prime is 425023427. The reversal of 425023420 is 24320524.
It is a junction number, because it is equal to n+sod(n) for n = 425023391 and 425023400.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (425023427) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 365820 + ... + 366979.
It is an arithmetic number, because the mean of its divisors is an integer number (38472000).
Almost surely, 2425023420 is an apocalyptic number.
It is an amenable number.
425023420 is an abundant number, since it is smaller than the sum of its proper divisors (498304580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
425023420 is a wasteful number, since it uses less digits than its factorization.
425023420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 732837 (or 732835 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 22.
The square root of 425023420 is about 20616.0961386971. The cubic root of 425023420 is about 751.8611082517.
Adding to 425023420 its reverse (24320524), we get a palindrome (449343944).
The spelling of 425023420 in words is "four hundred twenty-five million, twenty-three thousand, four hundred twenty".
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