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54839500 = 2253671637
BaseRepresentation
bin1101000100110…
…0100011001100
310211012010122121
43101030203030
5103014331000
65235222324
71234061632
oct321144314
9124163577
1054839500
1128a56801
12164479a4
13b491111
1473d7352
154c33b1a
hex344c8cc

54839500 has 48 divisors (see below), whose sum is σ = 121631328. Its totient is φ = 21595200.

The previous prime is 54839483. The next prime is 54839503. The reversal of 54839500 is 593845.

It is not an unprimeable number, because it can be changed into a prime (54839503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32682 + ... + 34318.

It is an arithmetic number, because the mean of its divisors is an integer number (2533986).

Almost surely, 254839500 is an apocalyptic number.

54839500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54839500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60815664).

54839500 is an abundant number, since it is smaller than the sum of its proper divisors (66791828).

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

54839500 is a wasteful number, since it uses less digits than its factorization.

54839500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1723 (or 1711 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 54839500 is about 7405.3696734194. The cubic root of 54839500 is about 379.9249620994.

The spelling of 54839500 in words is "fifty-four million, eight hundred thirty-nine thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 67 100 125 134 250 268 335 500 670 1340 1637 1675 3274 3350 6548 6700 8185 8375 16370 16750 32740 33500 40925 81850 109679 163700 204625 219358 409250 438716 548395 818500 1096790 2193580 2741975 5483950 10967900 13709875 27419750 54839500