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53895730 = 2574189211
BaseRepresentation
bin1100110110011…
…0001000110010
310202102012001011
43031212020302
5102244130410
65203101134
71223051260
oct315461062
9122365034
1053895730
1128471729
12160717aa
13b220685
14722d430
154ae918a
hex3366232

53895730 has 64 divisors (see below), whose sum is σ = 115395840. Its totient is φ = 17740800.

The previous prime is 53895719. The next prime is 53895731. The reversal of 53895730 is 3759835.

It is a happy number.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (53895731) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 255325 + ... + 255535.

It is an arithmetic number, because the mean of its divisors is an integer number (1803060).

Almost surely, 253895730 is an apocalyptic number.

53895730 is an abundant number, since it is smaller than the sum of its proper divisors (61500110).

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

53895730 is a wasteful number, since it uses less digits than its factorization.

53895730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355.

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 53895730 is about 7341.3711253416. The cubic root of 53895730 is about 377.7328767921.

The spelling of 53895730 in words is "fifty-three million, eight hundred ninety-five thousand, seven hundred thirty".

Divisors: 1 2 5 7 10 14 35 41 70 82 89 178 205 211 287 410 422 445 574 623 890 1055 1246 1435 1477 2110 2870 2954 3115 3649 6230 7298 7385 8651 14770 17302 18245 18779 25543 36490 37558 43255 51086 60557 86510 93895 121114 127715 131453 187790 255430 262906 302785 605570 657265 769939 1314530 1539878 3849695 5389573 7699390 10779146 26947865 53895730