Base | Representation |
---|---|
bin | 100101010001110… |
… | …000011111100001 |
3 | 1121120211020001211 |
4 | 211101300133201 |
5 | 2240101141230 |
6 | 142020430121 |
7 | 21332625535 |
oct | 4521603741 |
9 | 1546736054 |
10 | 625412065 |
11 | 2a1035383 |
12 | 155548341 |
13 | 9c755515 |
14 | 5d0bdbc5 |
15 | 39d8c42a |
hex | 254707e1 |
625412065 has 8 divisors (see below), whose sum is σ = 794641320. Its totient is φ = 470898432.
The previous prime is 625412063. The next prime is 625412087. The reversal of 625412065 is 560214526.
It can be written as a sum of positive squares in 4 ways, for example, as 333719824 + 291692241 = 18268^2 + 17079^2 .
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 625412065 - 21 = 625412063 is a prime.
It is a super-2 number, since 2×6254120652 = 782280502095128450, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (625412063) 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, 3678810 + ... + 3678979.
It is an arithmetic number, because the mean of its divisors is an integer number (99330165).
Almost surely, 2625412065 is an apocalyptic number.
It is an amenable number.
625412065 is a deficient number, since it is larger than the sum of its proper divisors (169229255).
625412065 is a wasteful number, since it uses less digits than its factorization.
625412065 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7357811.
The product of its (nonzero) digits is 14400, while the sum is 31.
The square root of 625412065 is about 25008.2399420671. The cubic root of 625412065 is about 855.1758310562.
The spelling of 625412065 in words is "six hundred twenty-five million, four hundred twelve thousand, sixty-five".
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