Base | Representation |
---|---|
bin | 11001011110011… |
… | …011111000100010 |
3 | 1002210020121211101 |
4 | 121132123320202 |
5 | 1333404041210 |
6 | 110224505014 |
7 | 13406626114 |
oct | 3136337042 |
9 | 1083217741 |
10 | 427408930 |
11 | 1aa296723 |
12 | bb17b16a |
13 | 6a71a0c0 |
14 | 40a9b3b4 |
15 | 277c9a3a |
hex | 1979be22 |
427408930 has 16 divisors (see below), whose sum is σ = 828516024. Its totient is φ = 157812480.
The previous prime is 427408897. The next prime is 427408939. The reversal of 427408930 is 39804724.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 279324369 + 148084561 = 16713^2 + 12169^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 427408930.
It is not an unprimeable number, because it can be changed into a prime (427408939) 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, 1643751 + ... + 1644010.
Almost surely, 2427408930 is an apocalyptic number.
427408930 is a deficient number, since it is larger than the sum of its proper divisors (401107094).
427408930 is a wasteful number, since it uses less digits than its factorization.
427408930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3287781.
The product of its (nonzero) digits is 48384, while the sum is 37.
The square root of 427408930 is about 20673.8707067641. The cubic root of 427408930 is about 753.2651305281.
The spelling of 427408930 in words is "four hundred twenty-seven million, four hundred eight thousand, nine hundred thirty".
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