Base | Representation |
---|---|
bin | 1100111001001… |
… | …1011111011001 |
3 | 10202202121212102 |
4 | 3032103133121 |
5 | 102321101442 |
6 | 5211053145 |
7 | 1224454001 |
oct | 316233731 |
9 | 122677772 |
10 | 54081497 |
11 | 28589258 |
12 | 161411b5 |
13 | b2870b2 |
14 | 727b001 |
15 | 4b34232 |
hex | 33937d9 |
54081497 has 2 divisors, whose sum is σ = 54081498. Its totient is φ = 54081496.
The previous prime is 54081493. The next prime is 54081509. The reversal of 54081497 is 79418045.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 43943641 + 10137856 = 6629^2 + 3184^2 .
It is a cyclic number.
It is not a de Polignac number, because 54081497 - 22 = 54081493 is a prime.
It is a super-2 number, since 2×540814972 = 5849616635522018, which contains 22 as substring.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 54081497.
It is not a weakly prime, because it can be changed into another prime (54081493) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27040748 + 27040749.
It is an arithmetic number, because the mean of its divisors is an integer number (27040749).
Almost surely, 254081497 is an apocalyptic number.
It is an amenable number.
54081497 is a deficient number, since it is larger than the sum of its proper divisors (1).
54081497 is an equidigital number, since it uses as much as digits as its factorization.
54081497 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 40320, while the sum is 38.
The square root of 54081497 is about 7354.0123062176. The cubic root of 54081497 is about 378.1663671428.
The spelling of 54081497 in words is "fifty-four million, eighty-one thousand, four hundred ninety-seven".
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