Base | Representation |
---|---|
bin | 1100111010001… |
… | …1000011100010 |
3 | 10202212212022122 |
4 | 3032203003202 |
5 | 102330122000 |
6 | 5212304242 |
7 | 1225140605 |
oct | 316430342 |
9 | 122785278 |
10 | 54145250 |
11 | 28622145 |
12 | 16172082 |
13 | b2aa113 |
14 | 729633c |
15 | 4b48085 |
hex | 33a30e2 |
54145250 has 32 divisors (see below), whose sum is σ = 106704000. Its totient is φ = 20516400.
The previous prime is 54145249. The next prime is 54145261. The reversal of 54145250 is 5254145.
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 950 + ... + 10449.
It is an arithmetic number, because the mean of its divisors is an integer number (3334500).
Almost surely, 254145250 is an apocalyptic number.
54145250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.
54145250 is a deficient number, since it is larger than the sum of its proper divisors (52558750).
54145250 is a wasteful number, since it uses less digits than its factorization.
54145250 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11435 (or 11425 counting only the distinct ones).
The product of its (nonzero) digits is 4000, while the sum is 26.
The square root of 54145250 is about 7358.3456021038. The cubic root of 54145250 is about 378.3149069969.
Adding to 54145250 its reverse (5254145), we get a palindrome (59399395).
The spelling of 54145250 in words is "fifty-four million, one hundred forty-five thousand, two hundred fifty".
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