Base | Representation |
---|---|
bin | 11011000100010… |
… | …100000001011101 |
3 | 1011122111110020200 |
4 | 123010110001131 |
5 | 1412223143141 |
6 | 113021134113 |
7 | 14152626444 |
oct | 3304240135 |
9 | 1148443220 |
10 | 454115421 |
11 | 213377701 |
12 | 1080ba339 |
13 | 7310ac66 |
14 | 4444dd5b |
15 | 29d02ab6 |
hex | 1b11405d |
454115421 has 12 divisors (see below), whose sum is σ = 656698848. Its totient is φ = 302395464.
The previous prime is 454115419. The next prime is 454115429. The reversal of 454115421 is 124511454.
It is not a de Polignac number, because 454115421 - 21 = 454115419 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (454115429) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20625 + ... + 36518.
It is an arithmetic number, because the mean of its divisors is an integer number (54724904).
Almost surely, 2454115421 is an apocalyptic number.
It is an amenable number.
454115421 is a deficient number, since it is larger than the sum of its proper divisors (202583427).
454115421 is a wasteful number, since it uses less digits than its factorization.
454115421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 58032 (or 58029 counting only the distinct ones).
The product of its digits is 3200, while the sum is 27.
The square root of 454115421 is about 21309.9840685065. The cubic root of 454115421 is about 768.6384106122.
Adding to 454115421 its reverse (124511454), we get a palindrome (578626875).
The spelling of 454115421 in words is "four hundred fifty-four million, one hundred fifteen thousand, four hundred twenty-one".
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