Base | Representation |
---|---|
bin | 1100111101010… |
… | …1001010011010 |
3 | 10210021021212010 |
4 | 3033111022122 |
5 | 102403203430 |
6 | 5220530350 |
7 | 1226654145 |
oct | 317251232 |
9 | 123237763 |
10 | 54350490 |
11 | 28752367 |
12 | 162509b6 |
13 | b34c66c |
14 | 730b05c |
15 | 4b88cb0 |
hex | 33d529a |
54350490 has 16 divisors (see below), whose sum is σ = 130441248. Its totient is φ = 14493456.
The previous prime is 54350473. The next prime is 54350497. The reversal of 54350490 is 9405345.
It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 1811683 = 54350490 / (5 + 4 + 3 + 5 + 0 + 4 + 9 + 0).
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (54350497) 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, 905812 + ... + 905871.
It is an arithmetic number, because the mean of its divisors is an integer number (8152578).
Almost surely, 254350490 is an apocalyptic number.
54350490 is an abundant number, since it is smaller than the sum of its proper divisors (76090758).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54350490 is a wasteful number, since it uses less digits than its factorization.
54350490 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1811693.
The product of its (nonzero) digits is 10800, while the sum is 30.
The square root of 54350490 is about 7372.2784809040. The cubic root of 54350490 is about 378.7923108414.
The spelling of 54350490 in words is "fifty-four million, three hundred fifty thousand, four hundred ninety".
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