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54248920 = 23511139887
BaseRepresentation
bin1100111011110…
…0010111011000
310210002010112021
43032330113120
5102341431140
65214424224
71226052055
oct316742730
9123063467
1054248920
1128693020
1216202074
13b31536b
1472c202c
154b68b4a
hex33bc5d8

54248920 has 64 divisors (see below), whose sum is σ = 134265600. Its totient is φ = 19562880.

The previous prime is 54248903. The next prime is 54248959. The reversal of 54248920 is 2984245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60717 + ... + 61603.

It is an arithmetic number, because the mean of its divisors is an integer number (2097900).

Almost surely, 254248920 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 54248920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67132800).

54248920 is an abundant number, since it is smaller than the sum of its proper divisors (80016680).

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

54248920 is a wasteful number, since it uses less digits than its factorization.

54248920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048 (or 1044 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 54248920 is about 7365.3866157860. The cubic root of 54248920 is about 378.5562017982.

The spelling of 54248920 in words is "fifty-four million, two hundred forty-eight thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 139 220 278 440 556 695 887 1112 1390 1529 1774 2780 3058 3548 4435 5560 6116 7096 7645 8870 9757 12232 15290 17740 19514 30580 35480 39028 48785 61160 78056 97570 123293 195140 246586 390280 493172 616465 986344 1232930 1356223 2465860 2712446 4931720 5424892 6781115 10849784 13562230 27124460 54248920