Base | Representation |
---|---|
bin | 101011110010101… |
… | …0001110010010000 |
3 | 10210101220202002200 |
4 | 1113211101302100 |
5 | 11002130434333 |
6 | 401450043200 |
7 | 51261415524 |
oct | 12745216220 |
9 | 3711822080 |
10 | 1469389968 |
11 | 694483482 |
12 | 350119500 |
13 | 1a5565727 |
14 | dd215d84 |
15 | 88eeec13 |
hex | 57951c90 |
1469389968 has 60 divisors (see below), whose sum is σ = 4354155468. Its totient is φ = 460984320.
The previous prime is 1469389949. The next prime is 1469389969. The reversal of 1469389968 is 8699839641.
It is a happy number.
1469389968 is a `hidden beast` number, since 1 + 469 + 3 + 89 + 96 + 8 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 513838224 + 955551744 = 22668^2 + 30912^2 .
It is a nude number because it is divisible by every one of its digits.
It is not an unprimeable number, because it can be changed into a prime (1469389969) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 297673 + ... + 302568.
Almost surely, 21469389968 is an apocalyptic number.
1469389968 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
1469389968 is an abundant number, since it is smaller than the sum of its proper divisors (2884765500).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1469389968 is a wasteful number, since it uses less digits than its factorization.
1469389968 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 600272 (or 600263 counting only the distinct ones).
The product of its digits is 20155392, while the sum is 63.
The square root of 1469389968 is about 38332.6227644287. The cubic root of 1469389968 is about 1136.8740586806.
The spelling of 1469389968 in words is "one billion, four hundred sixty-nine million, three hundred eighty-nine thousand, nine hundred sixty-eight".
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