Base | Representation |
---|---|
bin | 100101010001110… |
… | …111110100000101 |
3 | 1121120212202012111 |
4 | 211101313310011 |
5 | 2240103121203 |
6 | 142021221021 |
7 | 21333112135 |
oct | 4521676405 |
9 | 1546782174 |
10 | 625442053 |
11 | 2a1055965 |
12 | 155561771 |
13 | 9c766072 |
14 | 5d0caac5 |
15 | 39d9626d |
hex | 25477d05 |
625442053 has 8 divisors (see below), whose sum is σ = 671561280. Its totient is φ = 580359360.
The previous prime is 625442047. The next prime is 625442093. The reversal of 625442053 is 350244526.
625442053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 625442053 - 217 = 625310981 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (625442023) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257883 + ... + 260296.
It is an arithmetic number, because the mean of its divisors is an integer number (83945160).
Almost surely, 2625442053 is an apocalyptic number.
It is an amenable number.
625442053 is a deficient number, since it is larger than the sum of its proper divisors (46119227).
625442053 is a wasteful number, since it uses less digits than its factorization.
625442053 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 518267.
The product of its (nonzero) digits is 28800, while the sum is 31.
The square root of 625442053 is about 25008.8394972658. The cubic root of 625442053 is about 855.1894991663.
Adding to 625442053 its reverse (350244526), we get a palindrome (975686579).
The spelling of 625442053 in words is "six hundred twenty-five million, four hundred forty-two thousand, fifty-three".
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