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54078330 = 23529611019
BaseRepresentation
bin1100111001001…
…0101101111010
310202202110112010
43032102231322
5102321001310
65211030350
71224441525
oct316225572
9122673463
1054078330
1128586939
121613b3b6
13b285817
147279bbc
154b33320
hex3392b7a

54078330 has 64 divisors (see below), whose sum is σ = 136598400. Its totient is φ = 13681920.

The previous prime is 54078317. The next prime is 54078331. The reversal of 54078330 is 3387045.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (54078331) 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, 52561 + ... + 53579.

It is an arithmetic number, because the mean of its divisors is an integer number (2134350).

Almost surely, 254078330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54078330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68299200).

54078330 is an abundant number, since it is smaller than the sum of its proper divisors (82520070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54078330 is a wasteful number, since it uses less digits than its factorization.

54078330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1119.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 54078330 is about 7353.7969784323. The cubic root of 54078330 is about 378.1589852203.

The spelling of 54078330 in words is "fifty-four million, seventy-eight thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 29 30 58 61 87 122 145 174 183 290 305 366 435 610 870 915 1019 1769 1830 2038 3057 3538 5095 5307 6114 8845 10190 10614 15285 17690 26535 29551 30570 53070 59102 62159 88653 124318 147755 177306 186477 295510 310795 372954 443265 621590 886530 932385 1802611 1864770 3605222 5407833 9013055 10815666 18026110 27039165 54078330