Base | Representation |
---|---|
bin | 111010001010… |
… | …0101001000100 |
3 | 2010101012212201 |
4 | 1310110221010 |
5 | 30301241002 |
6 | 3005324244 |
7 | 520121416 |
oct | 164245104 |
9 | 63335781 |
10 | 30493252 |
11 | 16238039 |
12 | a266684 |
13 | 641865a |
14 | 409a9b6 |
15 | 2a25087 |
hex | 1d14a44 |
30493252 has 24 divisors (see below), whose sum is σ = 56349440. Its totient is φ = 14398560.
The previous prime is 30493249. The next prime is 30493259. The reversal of 30493252 is 25239403.
It is a self number, because there is not a number n which added to its sum of digits gives 30493252.
It is not an unprimeable number, because it can be changed into a prime (30493259) 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, 45802 + ... + 46462.
Almost surely, 230493252 is an apocalyptic number.
It is an amenable number.
30493252 is a deficient number, since it is larger than the sum of its proper divisors (25856188).
30493252 is a wasteful number, since it uses less digits than its factorization.
30493252 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1291 (or 1289 counting only the distinct ones).
The product of its (nonzero) digits is 6480, while the sum is 28.
The square root of 30493252 is about 5522.0695395839. The cubic root of 30493252 is about 312.4169447545.
The spelling of 30493252 in words is "thirty million, four hundred ninety-three thousand, two hundred fifty-two".
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