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255763061 = 325978479
BaseRepresentation
bin11110011111010…
…10001001110101
3122211021002221222
433033222021311
51010433404221
641213520125
76223643621
oct1717521165
9584232858
10255763061
1112140a634
12717a3045
1340cac8b8
1425d7a181
15176c19ab
hexf3ea275

255763061 has 4 divisors (see below), whose sum is σ = 255844800. Its totient is φ = 255681324.

The previous prime is 255763037. The next prime is 255763069. The reversal of 255763061 is 160367552.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 255763061 - 226 = 188654197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255763069) 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, 35981 + ... + 42498.

It is an arithmetic number, because the mean of its divisors is an integer number (63961200).

Almost surely, 2255763061 is an apocalyptic number.

It is an amenable number.

255763061 is a deficient number, since it is larger than the sum of its proper divisors (81739).

255763061 is an equidigital number, since it uses as much as digits as its factorization.

255763061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81738.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 255763061 is about 15992.5939421971. The cubic root of 255763061 is about 634.7644659357.

The spelling of 255763061 in words is "two hundred fifty-five million, seven hundred sixty-three thousand, sixty-one".

Divisors: 1 3259 78479 255763061