Base | Representation |
---|---|
bin | 111010001111… |
… | …1100101000101 |
3 | 2010110111100000 |
4 | 1310133211011 |
5 | 30304204203 |
6 | 3010311513 |
7 | 520366140 |
oct | 164374505 |
9 | 63414300 |
10 | 30538053 |
11 | 16268767 |
12 | a288599 |
13 | 6432b70 |
14 | 40ad057 |
15 | 2a334a3 |
hex | 1d1f945 |
30538053 has 48 divisors (see below), whose sum is σ = 56341376. Its totient is φ = 16096320.
The previous prime is 30538049. The next prime is 30538063. The reversal of 30538053 is 35083503.
It is not a de Polignac number, because 30538053 - 22 = 30538049 is a prime.
It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30538033) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21423 + ... + 22803.
Almost surely, 230538053 is an apocalyptic number.
It is an amenable number.
30538053 is a deficient number, since it is larger than the sum of its proper divisors (25803323).
30538053 is a wasteful number, since it uses less digits than its factorization.
30538053 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1416 (or 1404 counting only the distinct ones).
The product of its (nonzero) digits is 5400, while the sum is 27.
The square root of 30538053 is about 5526.1245914293. The cubic root of 30538053 is about 312.5698719495.
The spelling of 30538053 in words is "thirty million, five hundred thirty-eight thousand, fifty-three".
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