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48784120 = 23571147337
BaseRepresentation
bin1011101000011…
…0001011111000
310101210111020021
42322012023320
544442042440
64501340224
71131441520
oct272061370
9111714207
1048784120
11255a0260
1214407674
13a150b58
14669c680
15443984a
hex2e862f8

48784120 has 128 divisors (see below), whose sum is σ = 140175360. Its totient is φ = 14837760.

The previous prime is 48784117. The next prime is 48784121. The reversal of 48784120 is 2148784.

48784120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48784121) 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 31 ways as a sum of consecutive naturals, for example, 144592 + ... + 144928.

It is an arithmetic number, because the mean of its divisors is an integer number (1095120).

Almost surely, 248784120 is an apocalyptic number.

48784120 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 48784120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70087680).

48784120 is an abundant number, since it is smaller than the sum of its proper divisors (91391240).

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

48784120 is a wasteful number, since it uses less digits than its factorization.

48784120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413 (or 409 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 34.

The square root of 48784120 is about 6984.5629784547. The cubic root of 48784120 is about 365.3923846803.

It can be divided in two parts, 4878 and 4120, that added together give a palindrome (8998).

The spelling of 48784120 in words is "forty-eight million, seven hundred eighty-four thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 11 14 20 22 28 35 40 44 47 55 56 70 77 88 94 110 140 154 188 220 235 280 308 329 337 376 385 440 470 517 616 658 674 770 940 1034 1316 1348 1540 1645 1685 1880 2068 2359 2585 2632 2696 3080 3290 3370 3619 3707 4136 4718 5170 6580 6740 7238 7414 9436 10340 11795 13160 13480 14476 14828 15839 18095 18535 18872 20680 23590 25949 28952 29656 31678 36190 37070 47180 51898 63356 72380 74140 79195 94360 103796 110873 126712 129745 144760 148280 158390 174229 207592 221746 259490 316780 348458 443492 518980 554365 633560 696916 871145 886984 1037960 1108730 1219603 1393832 1742290 2217460 2439206 3484580 4434920 4878412 6098015 6969160 9756824 12196030 24392060 48784120