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255214232 = 237131918451
BaseRepresentation
bin11110011011001…
…00001010011000
3122210020020002222
433031210022120
51010313323412
641154043212
76216166550
oct1715441230
9583206088
10255214232
11121075259
1271579508
1340b49b50
1425c76160
1517614072
hexf364298

255214232 has 64 divisors (see below), whose sum is σ = 619987200. Its totient is φ = 95644800.

The previous prime is 255214231. The next prime is 255214237. The reversal of 255214232 is 232412552.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255214231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4607 + ... + 23057.

It is an arithmetic number, because the mean of its divisors is an integer number (9687300).

Almost surely, 2255214232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255214232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309993600).

255214232 is an abundant number, since it is smaller than the sum of its proper divisors (364772968).

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

255214232 is a wasteful number, since it uses less digits than its factorization.

255214232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18496 (or 18492 counting only the distinct ones).

The product of its digits is 4800, while the sum is 26.

The square root of 255214232 is about 15975.4258785173. The cubic root of 255214232 is about 634.3101044764.

Adding to 255214232 its reverse (232412552), we get a palindrome (487626784).

The spelling of 255214232 in words is "two hundred fifty-five million, two hundred fourteen thousand, two hundred thirty-two".

Divisors: 1 2 4 7 8 13 14 19 26 28 38 52 56 76 91 104 133 152 182 247 266 364 494 532 728 988 1064 1729 1976 3458 6916 13832 18451 36902 73804 129157 147608 239863 258314 350569 479726 516628 701138 959452 1033256 1402276 1679041 1918904 2453983 2804552 3358082 4557397 4907966 6716164 9114794 9815932 13432328 18229588 19631864 31901779 36459176 63803558 127607116 255214232