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2023540530 = 2351153127911
BaseRepresentation
bin111100010011100…
…1100011100110010
312020000122111202120
41320213030130302
513121011244110
6532443255110
7101100545034
oct17047143462
95200574676
102023540530
11949265a50
1248581a496
132632ca17b
14152a65c54
15bc9b2870
hex789cc732

2023540530 has 128 divisors (see below), whose sum is σ = 5446434816. Its totient is φ = 476985600.

The previous prime is 2023540487. The next prime is 2023540537. The reversal of 2023540530 is 350453202.

It is a super-3 number, since 3×20235405303 (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2023540530.

It is not an unprimeable number, because it can be changed into a prime (2023540537) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2220775 + ... + 2221685.

It is an arithmetic number, because the mean of its divisors is an integer number (42550272).

Almost surely, 22023540530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2023540530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2723217408).

2023540530 is an abundant number, since it is smaller than the sum of its proper divisors (3422894286).

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

2023540530 is a wasteful number, since it uses less digits than its factorization.

2023540530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 2023540530 is about 44983.7807437303. The cubic root of 2023540530 is about 1264.8449830094.

Adding to 2023540530 its reverse (350453202), we get a palindrome (2373993732).

The spelling of 2023540530 in words is "two billion, twenty-three million, five hundred forty thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 53 55 66 106 110 127 159 165 254 265 318 330 381 530 583 635 762 795 911 1166 1270 1397 1590 1749 1822 1905 2733 2794 2915 3498 3810 4191 4555 5466 5830 6731 6985 8382 8745 9110 10021 13462 13665 13970 17490 20042 20193 20955 27330 30063 33655 40386 41910 48283 50105 60126 67310 74041 96566 100210 100965 115697 144849 148082 150315 201930 222123 231394 241415 289698 300630 347091 370205 444246 482830 531113 578485 694182 724245 740410 1062226 1110615 1156970 1272667 1448490 1593339 1735455 2221230 2545334 2655565 3186678 3470910 3818001 5311130 6131941 6363335 7636002 7966695 12263882 12726670 15933390 18395823 19090005 30659705 36791646 38180010 61319410 67451351 91979115 134902702 183958230 202354053 337256755 404708106 674513510 1011770265 2023540530