Search a number
-
+
255254142 = 231113973067
BaseRepresentation
bin11110011011011…
…01111001111110
3122210022020212010
433031231321332
51010321113032
641154552050
76216424113
oct1715557176
9583266763
10255254142
111210a2240
1271598626
1340b62070
1425c8690a
1517620ccc
hexf36de7e

255254142 has 64 divisors (see below), whose sum is σ = 606138624. Its totient is φ = 70640640.

The previous prime is 255254141. The next prime is 255254173. The reversal of 255254142 is 241452552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255254141) 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, 81693 + ... + 84759.

It is an arithmetic number, because the mean of its divisors is an integer number (9470916).

Almost surely, 2255254142 is an apocalyptic number.

255254142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 255254142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (303069312).

255254142 is an abundant number, since it is smaller than the sum of its proper divisors (350884482).

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

255254142 is a wasteful number, since it uses less digits than its factorization.

255254142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3193.

The product of its digits is 16000, while the sum is 30.

The square root of 255254142 is about 15976.6749356679. The cubic root of 255254142 is about 634.3431668917.

The spelling of 255254142 in words is "two hundred fifty-five million, two hundred fifty-four thousand, one hundred forty-two".

Divisors: 1 2 3 6 11 13 22 26 33 39 66 78 97 143 194 286 291 429 582 858 1067 1261 2134 2522 3067 3201 3783 6134 6402 7566 9201 13871 18402 27742 33737 39871 41613 67474 79742 83226 101211 119613 202422 239226 297499 438581 594998 877162 892497 1315743 1784994 2631486 3272489 3867487 6544978 7734974 9817467 11602461 19634934 23204922 42542357 85084714 127627071 255254142