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255422051 = 318239421
BaseRepresentation
bin11110011100101…
…10111001100011
3122210121210011222
433032112321203
51010342001201
641202325255
76221023463
oct1716267143
9583553158
10255422051
111211a7405
127165982b
1340bc0611
1425ccbba3
151765591b
hexf396e63

255422051 has 4 divisors (see below), whose sum is σ = 263661504. Its totient is φ = 247182600.

The previous prime is 255422039. The next prime is 255422099. The reversal of 255422051 is 150224552.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-255422051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 255422051.

It is not an unprimeable number, because it can be changed into a prime (255422351) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4119680 + ... + 4119741.

It is an arithmetic number, because the mean of its divisors is an integer number (65915376).

Almost surely, 2255422051 is an apocalyptic number.

255422051 is a deficient number, since it is larger than the sum of its proper divisors (8239453).

255422051 is an equidigital number, since it uses as much as digits as its factorization.

255422051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8239452.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 255422051 is about 15981.9288885916. The cubic root of 255422051 is about 634.4822290562.

The spelling of 255422051 in words is "two hundred fifty-five million, four hundred twenty-two thousand, fifty-one".

Divisors: 1 31 8239421 255422051