Base | Representation |
---|---|
bin | 101010010101010… |
… | …1101011010001010 |
3 | 10122222212222020100 |
4 | 1110222231122022 |
5 | 10402120412221 |
6 | 352541510230 |
7 | 50125620324 |
oct | 12452553212 |
9 | 3588788210 |
10 | 1420482186 |
11 | 669909322 |
12 | 337872376 |
13 | 1983a0506 |
14 | d6924614 |
15 | 84a8d926 |
hex | 54aad68a |
1420482186 has 48 divisors (see below), whose sum is σ = 3212801280. Its totient is φ = 453055680.
The previous prime is 1420482181. The next prime is 1420482221. The reversal of 1420482186 is 6812840241.
It is a self number, because there is not a number n which added to its sum of digits gives 1420482186.
It is not an unprimeable number, because it can be changed into a prime (1420482181) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35361 + ... + 63963.
It is an arithmetic number, because the mean of its divisors is an integer number (66933360).
Almost surely, 21420482186 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1420482186, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1606400640).
1420482186 is an abundant number, since it is smaller than the sum of its proper divisors (1792319094).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1420482186 is a wasteful number, since it uses less digits than its factorization.
1420482186 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28731 (or 28728 counting only the distinct ones).
The product of its (nonzero) digits is 24576, while the sum is 36.
The square root of 1420482186 is about 37689.2847637097. The cubic root of 1420482186 is about 1124.1180738455.
The spelling of 1420482186 in words is "one billion, four hundred twenty million, four hundred eighty-two thousand, one hundred eighty-six".
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