Base | Representation |
---|---|
bin | 101010010101000… |
… | …1011100011000100 |
3 | 10122222121220222112 |
4 | 1110222023203010 |
5 | 10402101442432 |
6 | 352534520152 |
7 | 50124502061 |
oct | 12452134304 |
9 | 3588556875 |
10 | 1420343492 |
11 | 6698240a7 |
12 | 337806058 |
13 | 198352349 |
14 | d68c9c68 |
15 | 84a627b2 |
hex | 54a8b8c4 |
1420343492 has 24 divisors (see below), whose sum is σ = 2625460992. Its totient is φ = 671277600.
The previous prime is 1420343479. The next prime is 1420343497. The reversal of 1420343492 is 2943430241.
It is not an unprimeable number, because it can be changed into a prime (1420343497) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127859 + ... + 138522.
It is an arithmetic number, because the mean of its divisors is an integer number (109394208).
Almost surely, 21420343492 is an apocalyptic number.
It is an amenable number.
1420343492 is a deficient number, since it is larger than the sum of its proper divisors (1205117500).
1420343492 is a wasteful number, since it uses less digits than its factorization.
1420343492 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 266459 (or 266457 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 32.
The square root of 1420343492 is about 37687.4447528617. Note that the first 3 decimals coincide. The cubic root of 1420343492 is about 1124.0814868545.
The spelling of 1420343492 in words is "one billion, four hundred twenty million, three hundred forty-three thousand, four hundred ninety-two".
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