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57983328 = 25321317911
BaseRepresentation
bin1101110100110…
…0000101100000
311001002212011200
43131030011200
5104320431303
65430441200
71302564414
oct335140540
9131085150
1057983328
112a803807
1217503200
13c022080
1479b4d44
1551553a3
hex374c160

57983328 has 144 divisors (see below), whose sum is σ = 188225856. Its totient is φ = 16773120.

The previous prime is 57983327. The next prime is 57983333. The reversal of 57983328 is 82338975.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57983327) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 63193 + ... + 64103.

It is an arithmetic number, because the mean of its divisors is an integer number (1307124).

Almost surely, 257983328 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 57983328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94112928).

57983328 is an abundant number, since it is smaller than the sum of its proper divisors (130242528).

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

57983328 is a wasteful number, since it uses less digits than its factorization.

57983328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957 (or 946 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 57983328 is about 7614.6784567702. The cubic root of 57983328 is about 387.0505712813.

It can be divided in two parts, 57983 and 328, that added together give a triangular number (58311 = T341).

The spelling of 57983328 in words is "fifty-seven million, nine hundred eighty-three thousand, three hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 13 16 17 18 24 26 32 34 36 39 48 51 52 68 72 78 96 102 104 117 136 144 153 156 204 208 221 234 272 288 306 312 408 416 442 468 544 612 624 663 816 884 911 936 1224 1248 1326 1632 1768 1822 1872 1989 2448 2652 2733 3536 3644 3744 3978 4896 5304 5466 7072 7288 7956 8199 10608 10932 11843 14576 15487 15912 16398 21216 21864 23686 29152 30974 31824 32796 35529 43728 46461 47372 61948 63648 65592 71058 87456 92922 94744 106587 123896 131184 139383 142116 185844 189488 201331 213174 247792 262368 278766 284232 371688 378976 402662 426348 495584 557532 568464 603993 743376 805324 852696 1115064 1136928 1207986 1486752 1610648 1705392 1811979 2230128 2415972 3221296 3410784 3623958 4460256 4831944 6442592 7247916 9663888 14495832 19327776 28991664 57983328