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53541660 = 223553113149
BaseRepresentation
bin1100110000111…
…1101100011100
310201202012100110
43030033230130
5102201313120
65151330020
71220045064
oct314175434
9121665313
1053541660
112824a707
1215b20910
13b128473
14717a3a4
154a792e0
hex330fb1c

53541660 has 96 divisors (see below), whose sum is σ = 155131200. Its totient is φ = 13791232.

The previous prime is 53541659. The next prime is 53541667. The reversal of 53541660 is 6614535.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53541667) 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, 359266 + ... + 359414.

It is an arithmetic number, because the mean of its divisors is an integer number (1615950).

Almost surely, 253541660 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 53541660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77565600).

53541660 is an abundant number, since it is smaller than the sum of its proper divisors (101589540).

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

53541660 is a wasteful number, since it uses less digits than its factorization.

53541660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327 (or 325 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 53541660 is about 7317.2166839585. The cubic root of 53541660 is about 376.9038820413.

It can be divided in two parts, 535 and 41660, that added together give a triangular number (42195 = T290).

The spelling of 53541660 in words is "fifty-three million, five hundred forty-one thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 53 60 106 113 149 159 212 226 265 298 318 339 447 452 530 565 596 636 678 745 795 894 1060 1130 1356 1490 1590 1695 1788 2235 2260 2980 3180 3390 4470 5989 6780 7897 8940 11978 15794 16837 17967 23691 23956 29945 31588 33674 35934 39485 47382 50511 59890 67348 71868 78970 84185 89835 94764 101022 118455 119780 157940 168370 179670 202044 236910 252555 336740 359340 473820 505110 892361 1010220 1784722 2677083 3569444 4461805 5354166 8923610 10708332 13385415 17847220 26770830 53541660