Base | Representation |
---|---|
bin | 1101000101011… |
… | …0011110011011 |
3 | 10211021012102100 |
4 | 3101112132123 |
5 | 103022131110 |
6 | 5240134443 |
7 | 1234321311 |
oct | 321263633 |
9 | 124235370 |
10 | 54880155 |
11 | 28a84300 |
12 | 16467423 |
13 | b4a6785 |
14 | 74080b1 |
15 | 4c40bc0 |
hex | 345679b |
54880155 has 36 divisors (see below), whose sum is σ = 104569920. Its totient is φ = 26605920.
The previous prime is 54880141. The next prime is 54880171. The reversal of 54880155 is 55108845.
It is not a de Polignac number, because 54880155 - 25 = 54880123 is a prime.
It is a plaindrome in base 16.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 406 + ... + 10484.
It is an arithmetic number, because the mean of its divisors is an integer number (2904720).
Almost surely, 254880155 is an apocalyptic number.
54880155 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
54880155 is a deficient number, since it is larger than the sum of its proper divisors (49689765).
54880155 is a wasteful number, since it uses less digits than its factorization.
54880155 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10112 (or 10098 counting only the distinct ones).
The product of its (nonzero) digits is 32000, while the sum is 36.
The square root of 54880155 is about 7408.1141324901. The cubic root of 54880155 is about 380.0188240906.
The spelling of 54880155 in words is "fifty-four million, eight hundred eighty thousand, one hundred fifty-five".
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