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255223641 = 3791076893
BaseRepresentation
bin11110011011001…
…10011101011001
3122210020201000110
433031212131121
51010314124031
641154154533
76216236151
oct1715463531
9583221013
10255223641
11121081332
1271582a49
1340b5120a
1425c79761
1517616c46
hexf366759

255223641 has 8 divisors (see below), whose sum is σ = 344606080. Its totient is φ = 167995152.

The previous prime is 255223627. The next prime is 255223649. The reversal of 255223641 is 146322552.

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

It is not a de Polignac number, because 255223641 - 226 = 188114777 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 255223599 and 255223608.

It is not an unprimeable number, because it can be changed into a prime (255223649) 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 7 ways as a sum of consecutive naturals, for example, 538210 + ... + 538683.

It is an arithmetic number, because the mean of its divisors is an integer number (43075760).

Almost surely, 2255223641 is an apocalyptic number.

It is an amenable number.

255223641 is a deficient number, since it is larger than the sum of its proper divisors (89382439).

255223641 is a wasteful number, since it uses less digits than its factorization.

255223641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076975.

The product of its digits is 14400, while the sum is 30.

The square root of 255223641 is about 15975.7203593453. The cubic root of 255223641 is about 634.3178994315.

The spelling of 255223641 in words is "two hundred fifty-five million, two hundred twenty-three thousand, six hundred forty-one".

Divisors: 1 3 79 237 1076893 3230679 85074547 255223641