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255308141 = 11296471237
BaseRepresentation
bin11110011011110…
…11000101101101
3122210101222221002
433031323011231
51010324330031
641200050045
76220040414
oct1715730555
9583358832
10255308141
11121129870
1271603925
1340b8080a
1425c9c47b
1517631ccb
hexf37b16d

255308141 has 16 divisors (see below), whose sum is σ = 288800640. Its totient is φ = 223567680.

The previous prime is 255308129. The next prime is 255308143. The reversal of 255308141 is 141803552.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-255308141 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255308143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205775 + ... + 207011.

It is an arithmetic number, because the mean of its divisors is an integer number (18050040).

Almost surely, 2255308141 is an apocalyptic number.

It is an amenable number.

255308141 is a deficient number, since it is larger than the sum of its proper divisors (33492499).

255308141 is a wasteful number, since it uses less digits than its factorization.

255308141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1924.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 255308141 is about 15978.3647786624. The cubic root of 255308141 is about 634.3878954920.

The spelling of 255308141 in words is "two hundred fifty-five million, three hundred eight thousand, one hundred forty-one".

Divisors: 1 11 29 319 647 1237 7117 13607 18763 35873 206393 394603 800339 8803729 23209831 255308141