Search a number
-
+
255748144 = 2437432007
BaseRepresentation
bin11110011111001…
…10100000110000
3122211020100111111
433033212200300
51010432420034
641213323104
76223552261
oct1717464060
9584210444
10255748144
111213aa403
1271796494
1340ca5b82
1425d74968
15176bc364
hexf3e6830

255748144 has 20 divisors (see below), whose sum is σ = 508905424. Its totient is φ = 124417728.

The previous prime is 255748139. The next prime is 255748183. The reversal of 255748144 is 441847552.

255748144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2557481442 = 130814226318889472, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 255748097 and 255748106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215412 + ... + 216595.

Almost surely, 2255748144 is an apocalyptic number.

It is an amenable number.

255748144 is a deficient number, since it is larger than the sum of its proper divisors (253157280).

255748144 is a wasteful number, since it uses less digits than its factorization.

255748144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432052 (or 432046 counting only the distinct ones).

The product of its digits is 179200, while the sum is 40.

The square root of 255748144 is about 15992.1275632731. The cubic root of 255748144 is about 634.7521251314.

The spelling of 255748144 in words is "two hundred fifty-five million, seven hundred forty-eight thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 37 74 148 296 592 432007 864014 1728028 3456056 6912112 15984259 31968518 63937036 127874072 255748144