Search a number
-
+
255645426 = 2342607571
BaseRepresentation
bin11110011110011…
…01011011110010
3122211001010121010
433033031123302
51010421123201
641211211350
76222643641
oct1717153362
9584033533
10255645426
1112133a213
1271746b56
1340c6b1aa
1425d49358
151769bbd6
hexf3cd6f2

255645426 has 8 divisors (see below), whose sum is σ = 511290864. Its totient is φ = 85215140.

The previous prime is 255645419. The next prime is 255645461. The reversal of 255645426 is 624546552.

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

255645426 is an admirable number.

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, 21303780 + ... + 21303791.

It is an arithmetic number, because the mean of its divisors is an integer number (63911358).

Almost surely, 2255645426 is an apocalyptic number.

255645426 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

255645426 is a wasteful number, since it uses less digits than its factorization.

255645426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42607576.

The product of its digits is 288000, while the sum is 39.

The square root of 255645426 is about 15988.9157230877. The cubic root of 255645426 is about 634.6671337036.

The spelling of 255645426 in words is "two hundred fifty-five million, six hundred forty-five thousand, four hundred twenty-six".

Divisors: 1 2 3 6 42607571 85215142 127822713 255645426