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48284640 = 2533511177
BaseRepresentation
bin1011100000110…
…0001111100000
310100212010002000
42320030033200
544330102030
64442524000
71124261355
oct270141740
9110763060
1048284640
1125289a68
1214206600
13a0076c1
1465ac62c
15438b860
hex2e0c3e0

48284640 has 96 divisors (see below), whose sum is σ = 169011360. Its totient is φ = 12874752.

The previous prime is 48284627. The next prime is 48284671. The reversal of 48284640 is 4648284.

48284640 is a `hidden beast` number, since 4 + 8 + 2 + 8 + 4 + 640 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 48284595 and 48284604.

It is a congruent number.

It is an unprimeable number.

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, 1269 + ... + 9908.

It is an arithmetic number, because the mean of its divisors is an integer number (1760535).

Almost surely, 248284640 is an apocalyptic number.

48284640 is a gapful number since it is divisible by the number (40) 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 48284640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84505680).

48284640 is an abundant number, since it is smaller than the sum of its proper divisors (120726720).

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

48284640 is a wasteful number, since it uses less digits than its factorization.

48284640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11201 (or 11187 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

The square root of 48284640 is about 6948.7149891185. The cubic root of 48284640 is about 364.1410715923.

The spelling of 48284640 in words is "forty-eight million, two hundred eighty-four thousand, six hundred forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 72 80 90 96 108 120 135 144 160 180 216 240 270 288 360 432 480 540 720 864 1080 1440 2160 4320 11177 22354 33531 44708 55885 67062 89416 100593 111770 134124 167655 178832 201186 223540 268248 301779 335310 357664 402372 447080 502965 536496 603558 670620 804744 894160 1005930 1072992 1207116 1341240 1508895 1609488 1788320 2011860 2414232 2682480 3017790 3218976 4023720 4828464 5364960 6035580 8047440 9656928 12071160 16094880 24142320 48284640