Base | Representation |
---|---|
bin | 11110001000001… |
… | …100011101000001 |
3 | 1022020010021010122 |
4 | 132020030131001 |
5 | 2013344332031 |
6 | 122053510025 |
7 | 15345243563 |
oct | 3610143501 |
9 | 1266107118 |
10 | 505464641 |
11 | 23a35a080 |
12 | 121342315 |
13 | 80949506 |
14 | 4b1b9333 |
15 | 2e59747b |
hex | 1e20c741 |
505464641 has 8 divisors (see below), whose sum is σ = 569203968. Its totient is φ = 444690000.
The previous prime is 505464611. The next prime is 505464643. The reversal of 505464641 is 146464505.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-505464641 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (505464643) 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, 740810 + ... + 741491.
It is an arithmetic number, because the mean of its divisors is an integer number (71150496).
Almost surely, 2505464641 is an apocalyptic number.
It is an amenable number.
505464641 is a deficient number, since it is larger than the sum of its proper divisors (63739327).
505464641 is a wasteful number, since it uses less digits than its factorization.
505464641 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1482343.
The product of its (nonzero) digits is 57600, while the sum is 35.
The square root of 505464641 is about 22482.5408039216. The cubic root of 505464641 is about 796.5815810073.
The spelling of 505464641 in words is "five hundred five million, four hundred sixty-four thousand, six hundred forty-one".
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