Base | Representation |
---|---|
bin | 1101000010010… |
… | …1110001000100 |
3 | 10210220001202001 |
4 | 3100211301010 |
5 | 102444240034 |
6 | 5231555044 |
7 | 1232530534 |
oct | 320456104 |
9 | 123801661 |
10 | 54680644 |
11 | 28958417 |
12 | 1638ba84 |
13 | b436a15 |
14 | 73954c4 |
15 | 4c01a14 |
hex | 3425c44 |
54680644 has 12 divisors (see below), whose sum is σ = 97260268. Its totient is φ = 26892000.
The previous prime is 54680641. The next prime is 54680657. The reversal of 54680644 is 44608645.
It can be written as a sum of positive squares in 2 ways, for example, as 15116544 + 39564100 = 3888^2 + 6290^2 .
It is not an unprimeable number, because it can be changed into a prime (54680641) 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, 111807 + ... + 112294.
Almost surely, 254680644 is an apocalyptic number.
It is an amenable number.
54680644 is a deficient number, since it is larger than the sum of its proper divisors (42579624).
54680644 is a wasteful number, since it uses less digits than its factorization.
54680644 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 224166 (or 224164 counting only the distinct ones).
The product of its (nonzero) digits is 92160, while the sum is 37.
The square root of 54680644 is about 7394.6361641395. The cubic root of 54680644 is about 379.5577588376.
The spelling of 54680644 in words is "fifty-four million, six hundred eighty thousand, six hundred forty-four".
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