Base | Representation |
---|---|
bin | 11001011000100… |
… | …100111001010100 |
3 | 1002200100120220100 |
4 | 121120210321110 |
5 | 1333010413410 |
6 | 110131534100 |
7 | 13360601121 |
oct | 3130447124 |
9 | 1080316810 |
10 | 425872980 |
11 | 1a9437745 |
12 | ba75a330 |
13 | 6a2ccc60 |
14 | 407bb748 |
15 | 275c48c0 |
hex | 19624e54 |
425872980 has 72 divisors (see below), whose sum is σ = 1391192712. Its totient is φ = 104829696.
The previous prime is 425872961. The next prime is 425873017. The reversal of 425872980 is 89278524.
425872980 is a `hidden beast` number, since 42 + 587 + 29 + 8 + 0 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 17994564 + 407878416 = 4242^2 + 20196^2 .
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88659 + ... + 93338.
It is an arithmetic number, because the mean of its divisors is an integer number (19322121).
Almost surely, 2425872980 is an apocalyptic number.
It is an amenable number.
425872980 is an abundant number, since it is smaller than the sum of its proper divisors (965319732).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
425872980 is a wasteful number, since it uses less digits than its factorization.
425872980 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 182025 (or 182020 counting only the distinct ones).
The product of its (nonzero) digits is 322560, while the sum is 45.
The square root of 425872980 is about 20636.6901415901. The cubic root of 425872980 is about 752.3617285116.
The spelling of 425872980 in words is "four hundred twenty-five million, eight hundred seventy-two thousand, nine hundred eighty".
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