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255142245 = 3531548693
BaseRepresentation
bin11110011010100…
…10100101100101
3122210002120100210
433031102211211
51010304022440
641152330033
76215446641
oct1715224545
9583076323
10255142245
11121026166
1271543919
1340b23157
1425c57c21
15175eca80
hexf352965

255142245 has 16 divisors (see below), whose sum is σ = 421396992. Its totient is φ = 131686080.

The previous prime is 255142229. The next prime is 255142291. The reversal of 255142245 is 542241552.

It is not a de Polignac number, because 255142245 - 24 = 255142229 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 273882 + ... + 274811.

It is an arithmetic number, because the mean of its divisors is an integer number (26337312).

Almost surely, 2255142245 is an apocalyptic number.

It is an amenable number.

255142245 is a deficient number, since it is larger than the sum of its proper divisors (166254747).

255142245 is a wasteful number, since it uses less digits than its factorization.

255142245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548732.

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

The square root of 255142245 is about 15973.1726654413. The cubic root of 255142245 is about 634.2504599769.

Adding to 255142245 its reverse (542241552), we get a palindrome (797383797).

The spelling of 255142245 in words is "two hundred fifty-five million, one hundred forty-two thousand, two hundred forty-five".

Divisors: 1 3 5 15 31 93 155 465 548693 1646079 2743465 8230395 17009483 51028449 85047415 255142245