Base | Representation |
---|---|
bin | 1101000101101… |
… | …0010000000101 |
3 | 10211021222122011 |
4 | 3101122100011 |
5 | 103023124441 |
6 | 5240334221 |
7 | 1234414354 |
oct | 321322005 |
9 | 124258564 |
10 | 54895621 |
11 | 28a94990 |
12 | 16474371 |
13 | b4b0821 |
14 | 740d99b |
15 | 4c45581 |
hex | 345a405 |
54895621 has 8 divisors (see below), whose sum is σ = 60480288. Its totient is φ = 49410000.
The previous prime is 54895573. The next prime is 54895627. The reversal of 54895621 is 12659845.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 54895621 - 29 = 54895109 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54895627) 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, 23595 + ... + 25816.
It is an arithmetic number, because the mean of its divisors is an integer number (7560036).
Almost surely, 254895621 is an apocalyptic number.
It is an amenable number.
54895621 is a deficient number, since it is larger than the sum of its proper divisors (5584667).
54895621 is a wasteful number, since it uses less digits than its factorization.
54895621 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49523.
The product of its digits is 86400, while the sum is 40.
The square root of 54895621 is about 7409.1579143652. The cubic root of 54895621 is about 380.0545189552.
It can be divided in two parts, 548 and 95621, that added together give a palindrome (96169).
The spelling of 54895621 in words is "fifty-four million, eight hundred ninety-five thousand, six hundred twenty-one".
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