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57503952 = 24331112101
BaseRepresentation
bin1101101101011…
…1000011010000
311000012111121000
43123113003100
5104210111302
65412302000
71265530002
oct333270320
9130174530
1057503952
112a506630
1217311900
13bbb4b0c
1478cc372
1550ad31c
hex36d70d0

57503952 has 80 divisors (see below), whose sum is σ = 180077760. Its totient is φ = 17424000.

The previous prime is 57503951. The next prime is 57503987. The reversal of 57503952 is 25930575.

57503952 is a `hidden beast` number, since 575 + 0 + 39 + 52 = 666.

57503952 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57503951) 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 15 ways as a sum of consecutive naturals, for example, 1299 + ... + 10802.

It is an arithmetic number, because the mean of its divisors is an integer number (2250972).

Almost surely, 257503952 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 57503952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90038880).

57503952 is an abundant number, since it is smaller than the sum of its proper divisors (122573808).

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

57503952 is a wasteful number, since it uses less digits than its factorization.

57503952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12129 (or 12117 counting only the distinct ones).

The product of its (nonzero) digits is 47250, while the sum is 36.

The square root of 57503952 is about 7583.1360267372. The cubic root of 57503952 is about 385.9809739430.

The spelling of 57503952 in words is "fifty-seven million, five hundred three thousand, nine hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 11 12 16 18 22 24 27 33 36 44 48 54 66 72 88 99 108 132 144 176 198 216 264 297 396 432 528 594 792 1188 1584 2376 4752 12101 24202 36303 48404 72606 96808 108909 133111 145212 193616 217818 266222 290424 326727 399333 435636 532444 580848 653454 798666 871272 1064888 1197999 1306908 1597332 1742544 2129776 2395998 2613816 3194664 3593997 4791996 5227632 6389328 7187994 9583992 14375988 19167984 28751976 57503952