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54940 = 2254167
BaseRepresentation
bin1101011010011100
32210100211
431122130
53224230
61102204
7316114
oct153234
983324
1054940
1138306
1227964
131c012
1416044
151142a
hexd69c

54940 has 24 divisors (see below), whose sum is σ = 119952. Its totient is φ = 21120.

The previous prime is 54919. The next prime is 54941. The reversal of 54940 is 4945.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 787 + ... + 853.

It is an arithmetic number, because the mean of its divisors is an integer number (4998).

254940 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59976).

54940 is an abundant number, since it is smaller than the sum of its proper divisors (65012).

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

54940 is a wasteful number, since it uses less digits than its factorization.

54940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 54940 is about 234.3928326549. The cubic root of 54940 is about 38.0156906578.

The spelling of 54940 in words is "fifty-four thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 41 67 82 134 164 205 268 335 410 670 820 1340 2747 5494 10988 13735 27470 54940