Base | Representation |
---|---|
bin | 1111010111110… |
… | …0100000100101 |
3 | 11111022120111112 |
4 | 3311330200211 |
5 | 113001120000 |
6 | 10221514405 |
7 | 1412004203 |
oct | 365744045 |
9 | 144276445 |
10 | 64473125 |
11 | 33436682 |
12 | 19712a05 |
13 | 10484ca2 |
14 | 87c4073 |
15 | 59d8235 |
hex | 3d7c825 |
64473125 has 20 divisors (see below), whose sum is σ = 82473600. Its totient is φ = 50358000.
The previous prime is 64473109. The next prime is 64473133. The reversal of 64473125 is 52137446.
It is not a de Polignac number, because 64473125 - 24 = 64473109 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 64473091 and 64473100.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 25676 + ... + 28074.
It is an arithmetic number, because the mean of its divisors is an integer number (4123680).
Almost surely, 264473125 is an apocalyptic number.
It is an amenable number.
64473125 is a deficient number, since it is larger than the sum of its proper divisors (18000475).
64473125 is an equidigital number, since it uses as much as digits as its factorization.
64473125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2462 (or 2447 counting only the distinct ones).
The product of its digits is 20160, while the sum is 32.
The square root of 64473125 is about 8029.5158633631. The cubic root of 64473125 is about 400.9832581116.
The spelling of 64473125 in words is "sixty-four million, four hundred seventy-three thousand, one hundred twenty-five".
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