Search a number
-
+
255220302 = 23371149641
BaseRepresentation
bin11110011011001…
…01101001001110
3122210020112102210
433031211221032
51010314022202
641154131250
76216223341
oct1715455116
9583215383
10255220302
11121079877
1271580b26
1340b4c83c
1425c78458
1517615c6c
hexf365a4e

255220302 has 16 divisors (see below), whose sum is σ = 524236752. Its totient is φ = 82774080.

The previous prime is 255220297. The next prime is 255220309. The reversal of 255220302 is 203022552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255220309) 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, 574599 + ... + 575042.

It is an arithmetic number, because the mean of its divisors is an integer number (32764797).

Almost surely, 2255220302 is an apocalyptic number.

255220302 is an abundant number, since it is smaller than the sum of its proper divisors (269016450).

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

255220302 is a wasteful number, since it uses less digits than its factorization.

255220302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149683.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 255220302 is about 15975.6158566736. The cubic root of 255220302 is about 634.3151332344.

Adding to 255220302 its reverse (203022552), we get a palindrome (458242854).

The spelling of 255220302 in words is "two hundred fifty-five million, two hundred twenty thousand, three hundred two".

Divisors: 1 2 3 6 37 74 111 222 1149641 2299282 3448923 6897846 42536717 85073434 127610151 255220302