Base | Representation |
---|---|
bin | 1101000010100… |
… | …0101110011001 |
3 | 10210220200100211 |
4 | 3100220232121 |
5 | 103000132021 |
6 | 5232131121 |
7 | 1232611054 |
oct | 320505631 |
9 | 123820324 |
10 | 54692761 |
11 | 28966532 |
12 | 16396aa1 |
13 | b43c3a6 |
14 | 7399a9b |
15 | 4c053e1 |
hex | 3428b99 |
54692761 has 4 divisors (see below), whose sum is σ = 54848052. Its totient is φ = 54537472.
The previous prime is 54692717. The next prime is 54692777. The reversal of 54692761 is 16729645.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16729645 = 5 ⋅3345929.
It can be written as a sum of positive squares in 2 ways, for example, as 9211225 + 45481536 = 3035^2 + 6744^2 .
It is a cyclic number.
It is not a de Polignac number, because 54692761 - 29 = 54692249 is a prime.
It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (54992761) 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, 77116 + ... + 77821.
It is an arithmetic number, because the mean of its divisors is an integer number (13712013).
Almost surely, 254692761 is an apocalyptic number.
It is an amenable number.
54692761 is a deficient number, since it is larger than the sum of its proper divisors (155291).
54692761 is a wasteful number, since it uses less digits than its factorization.
54692761 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 155290.
The product of its digits is 90720, while the sum is 40.
The square root of 54692761 is about 7395.4554288428. The cubic root of 54692761 is about 379.5857928996.
The spelling of 54692761 in words is "fifty-four million, six hundred ninety-two thousand, seven hundred sixty-one".
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