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255406007 = 2324234583
BaseRepresentation
bin11110011100100…
…10111110110111
3122210120222011202
433032102332313
51010340443012
641202123115
76220625633
oct1716227667
9583528152
10255406007
1112119634a
127165049b
1340bb621c
1425cc5dc3
1517650cc2
hexf392fb7

255406007 has 8 divisors (see below), whose sum is σ = 266678784. Its totient is φ = 244147288.

The previous prime is 255406003. The next prime is 255406031. The reversal of 255406007 is 700604552.

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

It is a cyclic number.

It is not a de Polignac number, because 255406007 - 22 = 255406003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255406003) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 53438 + ... + 58020.

It is an arithmetic number, because the mean of its divisors is an integer number (33334848).

Almost surely, 2255406007 is an apocalyptic number.

255406007 is a deficient number, since it is larger than the sum of its proper divisors (11272777).

255406007 is a wasteful number, since it uses less digits than its factorization.

255406007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7029.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 255406007 is about 15981.4269387937. The cubic root of 255406007 is about 634.4689440559.

The spelling of 255406007 in words is "two hundred fifty-five million, four hundred six thousand, seven".

Divisors: 1 23 2423 4583 55729 105409 11104609 255406007