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57648672 = 253423967
BaseRepresentation
bin1101101111101…
…0011000100000
311000110212010000
43123322120200
5104224224142
65415340000
71300001634
oct333723040
9130425100
1057648672
112a5a5334
1217381600
13bc35953
147928dc4
1550db14c
hex36fa620

57648672 has 120 divisors (see below), whose sum is σ = 177097536. Its totient is φ = 18361728.

The previous prime is 57648667. The next prime is 57648677. The reversal of 57648672 is 27684675.

57648672 is a `hidden beast` number, since 576 + 4 + 8 + 6 + 72 = 666.

57648672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (57648667) and next prime (57648677).

It is not an unprimeable number, because it can be changed into a prime (57648677) 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 19 ways as a sum of consecutive naturals, for example, 59133 + ... + 60099.

Almost surely, 257648672 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 57648672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88548768).

57648672 is an abundant number, since it is smaller than the sum of its proper divisors (119448864).

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

57648672 is a wasteful number, since it uses less digits than its factorization.

57648672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012 (or 995 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 57648672 is about 7592.6722568540. The cubic root of 57648672 is about 386.3045016880.

The spelling of 57648672 in words is "fifty-seven million, six hundred forty-eight thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 23 24 27 32 36 46 48 54 69 72 81 92 96 108 138 144 162 184 207 216 276 288 324 368 414 432 552 621 648 736 828 864 967 1104 1242 1296 1656 1863 1934 2208 2484 2592 2901 3312 3726 3868 4968 5802 6624 7452 7736 8703 9936 11604 14904 15472 17406 19872 22241 23208 26109 29808 30944 34812 44482 46416 52218 59616 66723 69624 78327 88964 92832 104436 133446 139248 156654 177928 200169 208872 266892 278496 313308 355856 400338 417744 533784 600507 626616 711712 800676 835488 1067568 1201014 1253232 1601352 1801521 2135136 2402028 2506464 3202704 3603042 4804056 6405408 7206084 9608112 14412168 19216224 28824336 57648672