Base | Representation |
---|---|
bin | 111010101100… |
… | …0000101100010 |
3 | 2010220020211100 |
4 | 1311120011202 |
5 | 30334111011 |
6 | 3015255230 |
7 | 522352005 |
oct | 165300542 |
9 | 63806740 |
10 | 30769506 |
11 | 16406649 |
12 | a37a516 |
13 | 64b4311 |
14 | 412d53c |
15 | 2a7bd56 |
hex | 1d58162 |
30769506 has 24 divisors (see below), whose sum is σ = 66781260. Its totient is φ = 10238976.
The previous prime is 30769489. The next prime is 30769517. The reversal of 30769506 is 60596703.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 29975625 + 793881 = 5475^2 + 891^2 .
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13506 + ... + 15618.
Almost surely, 230769506 is an apocalyptic number.
30769506 is an abundant number, since it is smaller than the sum of its proper divisors (36011754).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30769506 is a wasteful number, since it uses less digits than its factorization.
30769506 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2930 (or 2927 counting only the distinct ones).
The product of its (nonzero) digits is 34020, while the sum is 36.
The square root of 30769506 is about 5547.0267711631. The cubic root of 30769506 is about 313.3575583604.
The spelling of 30769506 in words is "thirty million, seven hundred sixty-nine thousand, five hundred six".
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