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255000130 = 2571161289
BaseRepresentation
bin11110011001011…
…11111001000010
3122202211100102021
433030233321002
51010240001010
641145312054
76214315420
oct1714577102
9582740367
10255000130
11120a39410
127149562a
1340aa3568
1425c1c110
15175c08da
hexf32fe42

255000130 has 96 divisors (see below), whose sum is σ = 588332160. Its totient is φ = 77299200.

The previous prime is 255000113. The next prime is 255000131. The reversal of 255000130 is 31000552.

It is not an unprimeable number, because it can be changed into a prime (255000131) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2865126 + ... + 2865214.

It is an arithmetic number, because the mean of its divisors is an integer number (6128460).

Almost surely, 2255000130 is an apocalyptic number.

255000130 is an abundant number, since it is smaller than the sum of its proper divisors (333332030).

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

255000130 is a wasteful number, since it uses less digits than its factorization.

255000130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 255000130 is about 15968.7234931287. The cubic root of 255000130 is about 634.1326782996.

Adding to 255000130 its reverse (31000552), we get a palindrome (286000682).

The spelling of 255000130 in words is "two hundred fifty-five million, one hundred thirty", and thus it is an aban number.

Divisors: 1 2 5 7 10 11 14 22 35 55 61 70 77 89 110 122 154 178 305 385 427 445 610 623 671 770 854 890 979 1246 1342 1958 2135 3115 3355 3721 4270 4697 4895 5429 6230 6710 6853 7442 9394 9790 10858 13706 18605 23485 26047 27145 34265 37210 38003 40931 46970 52094 54290 59719 68530 76006 81862 119438 130235 190015 204655 260470 286517 298595 331169 380030 409310 418033 573034 597190 662338 836066 1432585 1655845 2090165 2318183 2865170 3311690 3642859 4180330 4636366 7285718 11590915 18214295 23181830 25500013 36428590 51000026 127500065 255000130