Search a number
-
+
255422078 = 21031239913
BaseRepresentation
bin11110011100101…
…10111001111110
3122210121210012222
433032112321332
51010342001303
641202325342
76221023532
oct1716267176
9583553188
10255422078
111211a742a
1271659852
1340bc0632
1425ccbbc2
1517655938
hexf396e7e

255422078 has 8 divisors (see below), whose sum is σ = 386853168. Its totient is φ = 126471024.

The previous prime is 255422039. The next prime is 255422099. The reversal of 255422078 is 870224552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 619751 + ... + 620162.

It is an arithmetic number, because the mean of its divisors is an integer number (48356646).

Almost surely, 2255422078 is an apocalyptic number.

255422078 is a deficient number, since it is larger than the sum of its proper divisors (131431090).

255422078 is a wasteful number, since it uses less digits than its factorization.

255422078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240018.

The product of its (nonzero) digits is 44800, while the sum is 35.

The square root of 255422078 is about 15981.9297332957. The cubic root of 255422078 is about 634.4822514127.

The spelling of 255422078 in words is "two hundred fifty-five million, four hundred twenty-two thousand, seventy-eight".

Divisors: 1 2 103 206 1239913 2479826 127711039 255422078