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53730768 = 24371312301
BaseRepresentation
bin1100110011110…
…1110111010000
310202002210202110
43030331313100
5102223341033
65155345320
71221463320
oct314756720
9122083673
1053730768
11283697a3
1215bb2240
13b193570
1471c9280
154ab5363
hex333ddd0

53730768 has 80 divisors (see below), whose sum is σ = 170850176. Its totient is φ = 14169600.

The previous prime is 53730749. The next prime is 53730791. The reversal of 53730768 is 86703735.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1783 + ... + 10518.

Almost surely, 253730768 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 53730768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85425088).

53730768 is an abundant number, since it is smaller than the sum of its proper divisors (117119408).

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

53730768 is a wasteful number, since it uses less digits than its factorization.

53730768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12332 (or 12326 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 53730768 is about 7330.1274204478. The cubic root of 53730768 is about 377.3470994602.

The spelling of 53730768 in words is "fifty-three million, seven hundred thirty thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 39 42 48 52 56 78 84 91 104 112 156 168 182 208 273 312 336 364 546 624 728 1092 1456 2184 4368 12301 24602 36903 49204 73806 86107 98408 147612 159913 172214 196816 258321 295224 319826 344428 479739 516642 590448 639652 688856 959478 1033284 1119391 1279304 1377712 1918956 2066568 2238782 2558608 3358173 3837912 4133136 4477564 6716346 7675824 8955128 13432692 17910256 26865384 53730768