Base | Representation |
---|---|
bin | 111001010100… |
… | …1010001001011 |
3 | 2002112212120210 |
4 | 1302221101023 |
5 | 30143202301 |
6 | 2552052203 |
7 | 513310251 |
oct | 162512113 |
9 | 62485523 |
10 | 30053451 |
11 | 15a6766a |
12 | a094063 |
13 | 62c340c |
14 | 3dc45d1 |
15 | 2989ad6 |
hex | 1ca944b |
30053451 has 16 divisors (see below), whose sum is σ = 41328000. Its totient is φ = 19414080.
The previous prime is 30053447. The next prime is 30053461. The reversal of 30053451 is 15435003.
It is not a de Polignac number, because 30053451 - 22 = 30053447 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30053461) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19300 + ... + 20798.
It is an arithmetic number, because the mean of its divisors is an integer number (2583000).
Almost surely, 230053451 is an apocalyptic number.
30053451 is a deficient number, since it is larger than the sum of its proper divisors (11274549).
30053451 is a wasteful number, since it uses less digits than its factorization.
30053451 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1706.
The product of its (nonzero) digits is 900, while the sum is 21.
The square root of 30053451 is about 5482.1027899885. The cubic root of 30053451 is about 310.9076796448.
Adding to 30053451 its reverse (15435003), we get a palindrome (45488454).
The spelling of 30053451 in words is "thirty million, fifty-three thousand, four hundred fifty-one".
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