Base | Representation |
---|---|
bin | 11101000011001… |
… | …011111100011101 |
3 | 1020222002012021220 |
4 | 131003023330131 |
5 | 1444231441441 |
6 | 120210043553 |
7 | 15035421156 |
oct | 3503137435 |
9 | 1228065256 |
10 | 487374621 |
11 | 230123848 |
12 | 1172795b9 |
13 | 79c84566 |
14 | 48a2a92d |
15 | 2cbc2466 |
hex | 1d0cbf1d |
487374621 has 16 divisors (see below), whose sum is σ = 664243200. Its totient is φ = 317788848.
The previous prime is 487374611. The next prime is 487374647. The reversal of 487374621 is 126473784.
It is not a de Polignac number, because 487374621 - 26 = 487374557 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (487374611) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15750 + ... + 34968.
It is an arithmetic number, because the mean of its divisors is an integer number (41515200).
Almost surely, 2487374621 is an apocalyptic number.
It is an amenable number.
487374621 is a deficient number, since it is larger than the sum of its proper divisors (176868579).
487374621 is a wasteful number, since it uses less digits than its factorization.
487374621 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19408.
The product of its digits is 225792, while the sum is 42.
The square root of 487374621 is about 22076.5627079942. The cubic root of 487374621 is about 786.9629810148.
The spelling of 487374621 in words is "four hundred eighty-seven million, three hundred seventy-four thousand, six hundred twenty-one".
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