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56883720 = 23351961409
BaseRepresentation
bin1101100011111…
…1101000001000
310222000222210110
43120333220020
5104030234340
65351114320
71260334515
oct330775010
9128028713
1056883720
112a122643
12170729a0
13ba2870a
1477aa30c
154ed9680
hex363fa08

56883720 has 128 divisors (see below), whose sum is σ = 183024000. Its totient is φ = 14100480.

The previous prime is 56883719. The next prime is 56883733. The reversal of 56883720 is 2738865.

56883720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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, 138876 + ... + 139284.

It is an arithmetic number, because the mean of its divisors is an integer number (1429875).

Almost surely, 256883720 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 56883720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91512000).

56883720 is an abundant number, since it is smaller than the sum of its proper divisors (126140280).

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

56883720 is a wasteful number, since it uses less digits than its factorization.

56883720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503 (or 499 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 56883720 is about 7542.1296727118. The cubic root of 56883720 is about 384.5882368941.

The spelling of 56883720 in words is "fifty-six million, eight hundred eighty-three thousand, seven hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 19 20 24 30 38 40 57 60 61 76 95 114 120 122 152 183 190 228 244 285 305 366 380 409 456 488 570 610 732 760 818 915 1140 1159 1220 1227 1464 1636 1830 2045 2280 2318 2440 2454 3272 3477 3660 4090 4636 4908 5795 6135 6954 7320 7771 8180 9272 9816 11590 12270 13908 15542 16360 17385 23180 23313 24540 24949 27816 31084 34770 38855 46360 46626 49080 49898 62168 69540 74847 77710 93252 99796 116565 124745 139080 149694 155420 186504 199592 233130 249490 299388 310840 374235 466260 474031 498980 598776 748470 932520 948062 997960 1422093 1496940 1896124 2370155 2844186 2993880 3792248 4740310 5688372 7110465 9480620 11376744 14220930 18961240 28441860 56883720