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53730750 = 2353312311
BaseRepresentation
bin1100110011110…
…1110110111110
310202002210201210
43030331312332
5102223341000
65155345250
71221463263
oct314756676
9122083653
1053730750
1128369787
1215bb2226
13b193558
1471c926a
154ab5350
hex333ddbe

53730750 has 64 divisors (see below), whose sum is σ = 138498048. Its totient is φ = 13860000.

The previous prime is 53730749. The next prime is 53730791. The reversal of 53730750 is 5703735.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22095 + ... + 24405.

It is an arithmetic number, because the mean of its divisors is an integer number (2164032).

Almost surely, 253730750 is an apocalyptic number.

53730750 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 53730750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69249024).

53730750 is an abundant number, since it is smaller than the sum of its proper divisors (84767298).

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

53730750 is a wasteful number, since it uses less digits than its factorization.

53730750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2362 (or 2352 counting only the distinct ones).

The product of its (nonzero) digits is 11025, while the sum is 30.

The square root of 53730750 is about 7330.1261926382. The cubic root of 53730750 is about 377.3470573226.

The spelling of 53730750 in words is "fifty-three million, seven hundred thirty thousand, seven hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 31 50 62 75 93 125 150 155 186 250 310 375 465 750 775 930 1550 2311 2325 3875 4622 4650 6933 7750 11555 11625 13866 23110 23250 34665 57775 69330 71641 115550 143282 173325 214923 288875 346650 358205 429846 577750 716410 866625 1074615 1733250 1791025 2149230 3582050 5373075 8955125 10746150 17910250 26865375 53730750