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201302530 = 2511131931239
BaseRepresentation
bin10111111111110…
…10001000000010
3112000210020011021
423333322020002
5403013140110
631550340054
74663020562
oct1377721002
9460706137
10201302530
11a36a2630
12574ba62a
1332922130
141ca40da2
1512a152da
hexbffa202

201302530 has 128 divisors (see below), whose sum is σ = 464486400. Its totient is φ = 61689600.

The previous prime is 201302477. The next prime is 201302531. The reversal of 201302530 is 35203102.

It is not an unprimeable number, because it can be changed into a prime (201302531) 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, 842151 + ... + 842389.

It is an arithmetic number, because the mean of its divisors is an integer number (3628800).

Almost surely, 2201302530 is an apocalyptic number.

201302530 is an abundant number, since it is smaller than the sum of its proper divisors (263183870).

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

201302530 is a wasteful number, since it uses less digits than its factorization.

201302530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 201302530 is about 14188.1122775371. The cubic root of 201302530 is about 586.0703418222.

Adding to 201302530 its reverse (35203102), we get a palindrome (236505632).

The spelling of 201302530 in words is "two hundred one million, three hundred two thousand, five hundred thirty".

Divisors: 1 2 5 10 11 13 19 22 26 31 38 55 62 65 95 110 130 143 155 190 209 239 247 286 310 341 403 418 478 494 589 682 715 806 1045 1178 1195 1235 1430 1705 2015 2090 2390 2470 2629 2717 2945 3107 3410 4030 4433 4541 5258 5434 5890 6214 6479 7409 7657 8866 9082 12958 13145 13585 14818 15314 15535 22165 22705 26290 27170 31070 32395 34177 37045 38285 44330 45410 49951 59033 64790 68354 74090 76570 81499 84227 96317 99902 118066 140771 162998 168454 170885 192634 249755 281542 295165 341770 407495 421135 481585 499510 590330 649363 703855 814990 842270 963170 1059487 1298726 1407710 1548481 1830023 2118974 3096962 3246815 3660046 5297435 6493630 7742405 9150115 10594870 15484810 18300230 20130253 40260506 100651265 201302530