Base | Representation |
---|---|
bin | 1100111101011… |
… | …0010000100101 |
3 | 10210021112000110 |
4 | 3033112100211 |
5 | 102403324411 |
6 | 5221003233 |
7 | 1230003222 |
oct | 317262045 |
9 | 123245013 |
10 | 54354981 |
11 | 2875577a |
12 | 16253519 |
13 | b351715 |
14 | 730c949 |
15 | 4b8a2a6 |
hex | 33d6425 |
54354981 has 4 divisors (see below), whose sum is σ = 72473312. Its totient is φ = 36236652.
The previous prime is 54354941. The next prime is 54355013. The reversal of 54354981 is 18945345.
54354981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 not a de Polignac number, because 54354981 - 26 = 54354917 is a prime.
It is a super-2 number, since 2×543549812 = 5908927919020722, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54354901) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9059161 + ... + 9059166.
It is an arithmetic number, because the mean of its divisors is an integer number (18118328).
Almost surely, 254354981 is an apocalyptic number.
It is an amenable number.
54354981 is a deficient number, since it is larger than the sum of its proper divisors (18118331).
54354981 is a wasteful number, since it uses less digits than its factorization.
54354981 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18118330.
The product of its digits is 86400, while the sum is 39.
The square root of 54354981 is about 7372.5830615870. The cubic root of 54354981 is about 378.8027438011.
The spelling of 54354981 in words is "fifty-four million, three hundred fifty-four thousand, nine hundred eighty-one".
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