Base | Representation |
---|---|
bin | 1100111000101… |
… | …0010010001110 |
3 | 10202200201010212 |
4 | 3032022102032 |
5 | 102313400130 |
6 | 5210202422 |
7 | 1224236033 |
oct | 316122216 |
9 | 122621125 |
10 | 54043790 |
11 | 28562999 |
12 | 16123412 |
13 | b272b98 |
14 | 726b38a |
15 | 4b27e95 |
hex | 338a48e |
54043790 has 64 divisors (see below), whose sum is σ = 108864000. Its totient is φ = 19223424.
The previous prime is 54043789. The next prime is 54043793. The reversal of 54043790 is 9734045.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54043793) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 362636 + ... + 362784.
It is an arithmetic number, because the mean of its divisors is an integer number (1701000).
Almost surely, 254043790 is an apocalyptic number.
54043790 is an abundant number, since it is smaller than the sum of its proper divisors (54820210).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54043790 is a wasteful number, since it uses less digits than its factorization.
54043790 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 281.
The product of its (nonzero) digits is 15120, while the sum is 32.
The square root of 54043790 is about 7351.4481566559. The cubic root of 54043790 is about 378.0784576278.
The spelling of 54043790 in words is "fifty-four million, forty-three thousand, seven hundred ninety".
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