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201130230 = 235717531063
BaseRepresentation
bin10111111110100…
…00000011110110
3112000110110210210
423333100003312
5402442131410
631542530250
74661402340
oct1377200366
9460413723
10201130230
11a3595134
1257436986
1332891892
141c9d8290
15129ce220
hexbfd00f6

201130230 has 128 divisors (see below), whose sum is σ = 595703808. Its totient is φ = 42412032.

The previous prime is 201130229. The next prime is 201130243. The reversal of 201130230 is 32031102.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 188679 + ... + 189741.

It is an arithmetic number, because the mean of its divisors is an integer number (4653936).

Almost surely, 2201130230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201130230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (297851904).

201130230 is an abundant number, since it is smaller than the sum of its proper divisors (394573578).

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

201130230 is a wasteful number, since it uses less digits than its factorization.

201130230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 201130230 is about 14182.0389930362. The cubic root of 201130230 is about 585.9030832122.

Adding to 201130230 its reverse (32031102), we get a palindrome (233161332).

It can be divided in two parts, 201 and 130230, that multiplied together give a triangular number (26176230 = T7235).

The spelling of 201130230 in words is "two hundred one million, one hundred thirty thousand, two hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 17 21 30 34 35 42 51 53 70 85 102 105 106 119 159 170 210 238 255 265 318 357 371 510 530 595 714 742 795 901 1063 1113 1190 1590 1785 1802 1855 2126 2226 2703 3189 3570 3710 4505 5315 5406 5565 6307 6378 7441 9010 10630 11130 12614 13515 14882 15945 18071 18921 22323 27030 31535 31890 36142 37205 37842 44646 54213 56339 63070 74410 90355 94605 108426 111615 112678 126497 169017 180710 189210 223230 252994 271065 281695 338034 379491 394373 542130 563390 632485 758982 788746 845085 957763 1183119 1264970 1690170 1897455 1915526 1971865 2366238 2873289 3794910 3943730 4788815 5746578 5915595 6704341 9577630 11831190 13408682 14366445 20113023 28732890 33521705 40226046 67043410 100565115 201130230