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53785368 = 23327138209
BaseRepresentation
bin1100110100101…
…1001100011000
310202012120122200
43031023030120
5102232112433
65200450200
71222111440
oct315131430
9122176580
1053785368
11283a681a
1216019960
13b1b2380
147201120
154ac6613
hex334b318

53785368 has 96 divisors (see below), whose sum is σ = 179306400. Its totient is φ = 14183424.

The previous prime is 53785357. The next prime is 53785373. The reversal of 53785368 is 86358735.

53785368 is a `hidden beast` number, since 537 + 8 + 53 + 68 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2448 + ... + 10656.

It is an arithmetic number, because the mean of its divisors is an integer number (1867775).

Almost surely, 253785368 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 53785368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89653200).

53785368 is an abundant number, since it is smaller than the sum of its proper divisors (125521032).

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

53785368 is a wasteful number, since it uses less digits than its factorization.

53785368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8241 (or 8234 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 53785368 is about 7333.8508302256. The cubic root of 53785368 is about 377.4748734062.

It can be divided in two parts, 537 and 85368, that added together give a triangular number (85905 = T414).

The spelling of 53785368 in words is "fifty-three million, seven hundred eighty-five thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 13 14 18 21 24 26 28 36 39 42 52 56 63 72 78 84 91 104 117 126 156 168 182 234 252 273 312 364 468 504 546 728 819 936 1092 1638 2184 3276 6552 8209 16418 24627 32836 49254 57463 65672 73881 98508 106717 114926 147762 172389 197016 213434 229852 295524 320151 344778 426868 459704 517167 591048 640302 689556 747019 853736 960453 1034334 1280604 1379112 1494038 1920906 2068668 2241057 2561208 2988076 3841812 4137336 4482114 5976152 6723171 7683624 8964228 13446342 17928456 26892684 53785368