Base | Representation |
---|---|
bin | 101010010101101… |
… | …0111101011111011 |
3 | 10200000012202210000 |
4 | 1110223113223323 |
5 | 10402141432410 |
6 | 352545324043 |
7 | 50130241230 |
oct | 12453275373 |
9 | 3600182700 |
10 | 1420655355 |
11 | 669a17439 |
12 | 337936623 |
13 | 198431292 |
14 | d696b787 |
15 | 84ac4dc0 |
hex | 54ad7afb |
1420655355 has 80 divisors (see below), whose sum is σ = 2921586624. Its totient is φ = 646963200.
The previous prime is 1420655311. The next prime is 1420655359. The reversal of 1420655355 is 5535560241.
It is not a de Polignac number, because 1420655355 - 220 = 1419606779 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1420655359) by changing a digit.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 886555 + ... + 888155.
Almost surely, 21420655355 is an apocalyptic number.
1420655355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
1420655355 is an abundant number, since it is smaller than the sum of its proper divisors (1500931269).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1420655355 is a wasteful number, since it uses less digits than its factorization.
1420655355 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1938 (or 1929 counting only the distinct ones).
The product of its (nonzero) digits is 90000, while the sum is 36.
The square root of 1420655355 is about 37691.5820177397. The cubic root of 1420655355 is about 1124.1637518776.
The spelling of 1420655355 in words is "one billion, four hundred twenty million, six hundred fifty-five thousand, three hundred fifty-five".
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