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255121214 = 22272692089
BaseRepresentation
bin11110011010011…
…01011100111110
3122210001111111212
433031031130332
51010302334324
641152044422
76215331425
oct1715153476
9583044455
10255121214
11121011387
1271533712
1340b166ca
1425c502bc
15175e670e
hexf34d73e

255121214 has 16 divisors (see below), whose sum is σ = 385981200. Its totient is φ = 126465984.

The previous prime is 255121213. The next prime is 255121231. The reversal of 255121214 is 412121552.

It is a self number, because there is not a number n which added to its sum of digits gives 255121214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255121213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121082 + ... + 123170.

It is an arithmetic number, because the mean of its divisors is an integer number (24123825).

Almost surely, 2255121214 is an apocalyptic number.

255121214 is a deficient number, since it is larger than the sum of its proper divisors (130859986).

255121214 is a wasteful number, since it uses less digits than its factorization.

255121214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2587.

The product of its digits is 800, while the sum is 23.

The square root of 255121214 is about 15972.5143293096. The cubic root of 255121214 is about 634.2330327205.

Adding to 255121214 its reverse (412121552), we get a palindrome (667242766).

The spelling of 255121214 in words is "two hundred fifty-five million, one hundred twenty-one thousand, two hundred fourteen".

Divisors: 1 2 227 269 454 538 2089 4178 61063 122126 474203 561941 948406 1123882 127560607 255121214