Base | Representation |
---|---|
bin | 1100111010001… |
… | …0110111001001 |
3 | 10202212211020021 |
4 | 3032202313021 |
5 | 102330110312 |
6 | 5212300441 |
7 | 1225135363 |
oct | 316426711 |
9 | 122784207 |
10 | 54144457 |
11 | 28621594 |
12 | 16171721 |
13 | b2a9953 |
14 | 7295d33 |
15 | 4b47c07 |
hex | 33a2dc9 |
54144457 has 4 divisors (see below), whose sum is σ = 54447120. Its totient is φ = 53841796.
The previous prime is 54144449. The next prime is 54144463. The reversal of 54144457 is 75444145.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 54144457 - 23 = 54144449 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (54144427) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151063 + ... + 151420.
It is an arithmetic number, because the mean of its divisors is an integer number (13611780).
Almost surely, 254144457 is an apocalyptic number.
It is an amenable number.
54144457 is a deficient number, since it is larger than the sum of its proper divisors (302663).
54144457 is a wasteful number, since it uses less digits than its factorization.
54144457 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 302662.
The product of its digits is 44800, while the sum is 34.
The square root of 54144457 is about 7358.2917175116. The cubic root of 54144457 is about 378.3130600809.
The spelling of 54144457 in words is "fifty-four million, one hundred forty-four thousand, four hundred fifty-seven".
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