Base | Representation |
---|---|
bin | 101010010110001… |
… | …0111100100111111 |
3 | 10200000201001202121 |
4 | 1110230113210333 |
5 | 10402223321210 |
6 | 352555103411 |
7 | 50132411215 |
oct | 12454274477 |
9 | 3600631677 |
10 | 1420917055 |
11 | 66a086018 |
12 | 337a41b67 |
13 | 1984c342c |
14 | d69d8cb5 |
15 | 84b276da |
hex | 54b1793f |
1420917055 has 8 divisors (see below), whose sum is σ = 1705527792. Its totient is φ = 1136448768.
The previous prime is 1420917053. The next prime is 1420917059. The reversal of 1420917055 is 5507190241.
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 1420917055 - 21 = 1420917053 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1420917055.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1420917053) 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, 12274 + ... + 54703.
It is an arithmetic number, because the mean of its divisors is an integer number (213190974).
Almost surely, 21420917055 is an apocalyptic number.
1420917055 is a deficient number, since it is larger than the sum of its proper divisors (284610737).
1420917055 is an equidigital number, since it uses as much as digits as its factorization.
1420917055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 71225.
The product of its (nonzero) digits is 12600, while the sum is 34.
The square root of 1420917055 is about 37695.0534553275. The cubic root of 1420917055 is about 1124.2327753252.
The spelling of 1420917055 in words is "one billion, four hundred twenty million, nine hundred seventeen thousand, fifty-five".
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