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53720652 = 223113173229
BaseRepresentation
bin1100110011101…
…1011001001100
310202002021212210
43030323121030
5102223030102
65155230420
71221421656
oct314733114
9122067783
1053720652
1128362137
1215ba8410
13b18ba8b
1471c56d6
154ab236c
hex333b64c

53720652 has 48 divisors (see below), whose sum is σ = 127743840. Its totient is φ = 17568768.

The previous prime is 53720651. The next prime is 53720669. The reversal of 53720652 is 25602735.

It is not an unprimeable number, because it can be changed into a prime (53720651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234474 + ... + 234702.

It is an arithmetic number, because the mean of its divisors is an integer number (2661330).

Almost surely, 253720652 is an apocalyptic number.

It is an amenable number.

53720652 is an abundant number, since it is smaller than the sum of its proper divisors (74023188).

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

53720652 is a wasteful number, since it uses less digits than its factorization.

53720652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522 (or 520 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 53720652 is about 7329.4373590338. The cubic root of 53720652 is about 377.3234166742.

The spelling of 53720652 in words is "fifty-three million, seven hundred twenty thousand, six hundred fifty-two".

Divisors: 1 2 3 4 6 12 113 173 226 229 339 346 452 458 519 678 687 692 916 1038 1356 1374 2076 2748 19549 25877 39098 39617 51754 58647 77631 78196 79234 103508 117294 118851 155262 158468 234588 237702 310524 475404 4476721 8953442 13430163 17906884 26860326 53720652