Search a number
-
+
255115412 = 2263778853
BaseRepresentation
bin11110011010011…
…00000010010100
3122210001012112222
433031030002110
51010302143122
641152001512
76215305466
oct1715140224
9583035488
10255115412
11121007a92
1271530298
1340b13b86
1425c4c136
15175e4b42
hexf34c094

255115412 has 6 divisors (see below), whose sum is σ = 446451978. Its totient is φ = 127557704.

The previous prime is 255115409. The next prime is 255115417. The reversal of 255115412 is 214511552.

It can be written as a sum of positive squares in only one way, i.e., 238826116 + 16289296 = 15454^2 + 4036^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255115417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31889423 + ... + 31889430.

It is an arithmetic number, because the mean of its divisors is an integer number (74408663).

Almost surely, 2255115412 is an apocalyptic number.

It is an amenable number.

255115412 is a deficient number, since it is larger than the sum of its proper divisors (191336566).

255115412 is a wasteful number, since it uses less digits than its factorization.

255115412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63778857 (or 63778855 counting only the distinct ones).

The product of its digits is 2000, while the sum is 26.

The square root of 255115412 is about 15972.3327037725. The cubic root of 255115412 is about 634.2282247473.

Adding to 255115412 its reverse (214511552), we get a palindrome (469626964).

The spelling of 255115412 in words is "two hundred fifty-five million, one hundred fifteen thousand, four hundred twelve".

Divisors: 1 2 4 63778853 127557706 255115412