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54049830 = 23510916529
BaseRepresentation
bin1100111000101…
…1110000100110
310202201000102120
43032023300212
5102314043310
65210250410
71224262452
oct316136046
9122630376
1054049830
112856748a
1216126a06
13b275863
14726d662
154b29b70
hex338bc26

54049830 has 32 divisors (see below), whose sum is σ = 130917600. Its totient is φ = 14280192.

The previous prime is 54049829. The next prime is 54049837. The reversal of 54049830 is 3894045.

54049830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×540498303 (a number of 24 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 54049791 and 54049800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54049837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4995 + ... + 11534.

It is an arithmetic number, because the mean of its divisors is an integer number (4091175).

Almost surely, 254049830 is an apocalyptic number.

54049830 is an abundant number, since it is smaller than the sum of its proper divisors (76867770).

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

54049830 is a wasteful number, since it uses less digits than its factorization.

54049830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16648.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 54049830 is about 7351.8589485925. The cubic root of 54049830 is about 378.0925419399.

The spelling of 54049830 in words is "fifty-four million, forty-nine thousand, eight hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 109 218 327 545 654 1090 1635 3270 16529 33058 49587 82645 99174 165290 247935 495870 1801661 3603322 5404983 9008305 10809966 18016610 27024915 54049830