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255434412 = 22323925487
BaseRepresentation
bin11110011100110…
…01111010101100
3122210122102010210
433032121322230
51010342400122
641202502420
76221104512
oct1716317254
9583572123
10255434412
11121205722
1271664a10
1340bc612c
1425cd24b2
151765940c
hexf399eac

255434412 has 24 divisors (see below), whose sum is σ = 621927936. Its totient is φ = 81442768.

The previous prime is 255434393. The next prime is 255434441. The reversal of 255434412 is 214434552.

It is a self number, because there is not a number n which added to its sum of digits gives 255434412.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 462468 + ... + 463019.

It is an arithmetic number, because the mean of its divisors is an integer number (25913664).

Almost surely, 2255434412 is an apocalyptic number.

It is an amenable number.

255434412 is an abundant number, since it is smaller than the sum of its proper divisors (366493524).

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

255434412 is a wasteful number, since it uses less digits than its factorization.

255434412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925517 (or 925515 counting only the distinct ones).

The product of its digits is 19200, while the sum is 30.

The square root of 255434412 is about 15982.3156019395. The cubic root of 255434412 is about 634.4924640226.

Adding to 255434412 its reverse (214434552), we get a palindrome (469868964).

The spelling of 255434412 in words is "two hundred fifty-five million, four hundred thirty-four thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 925487 1850974 2776461 3701948 5552922 11105844 21286201 42572402 63858603 85144804 127717206 255434412