Base | Representation |
---|---|
bin | 100101010001111… |
… | …010111111000001 |
3 | 1121120220102000112 |
4 | 211101322333001 |
5 | 2240104030131 |
6 | 142021401105 |
7 | 21333165041 |
oct | 4521727701 |
9 | 1546812015 |
10 | 625455041 |
11 | 2a10646a2 |
12 | 155569195 |
13 | 9c76bc53 |
14 | 5d0d1721 |
15 | 39d9a02b |
hex | 2547afc1 |
625455041 has 16 divisors (see below), whose sum is σ = 679846608. Its totient is φ = 573081600.
The previous prime is 625455029. The next prime is 625455043. The reversal of 625455041 is 140554526.
It can be written as a sum of positive squares in 8 ways, for example, as 4000000 + 621455041 = 2000^2 + 24929^2 .
It is not a de Polignac number, because 625455041 - 214 = 625438657 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 625454989 and 625455007.
It is not an unprimeable number, because it can be changed into a prime (625455043) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 571691 + ... + 572783.
It is an arithmetic number, because the mean of its divisors is an integer number (42490413).
Almost surely, 2625455041 is an apocalyptic number.
It is an amenable number.
625455041 is a deficient number, since it is larger than the sum of its proper divisors (54391567).
625455041 is a wasteful number, since it uses less digits than its factorization.
625455041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1972.
The product of its (nonzero) digits is 24000, while the sum is 32.
The square root of 625455041 is about 25009.0991641043. The cubic root of 625455041 is about 855.1954187791.
The spelling of 625455041 in words is "six hundred twenty-five million, four hundred fifty-five thousand, forty-one".
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