Search a number
-
+
255354345 = 3256139257
BaseRepresentation
bin11110011100001…
…10010111101001
3122210111100022100
433032012113221
51010332314340
641201044013
76220322211
oct1716062751
9583440270
10255354345
11121160554
1271626609
1340b9885c
1425cb1241
1517640830
hexf3865e9

255354345 has 24 divisors (see below), whose sum is σ = 443384136. Its totient is φ = 135952128.

The previous prime is 255354317. The next prime is 255354391. The reversal of 255354345 is 543453552.

255354345 is a `hidden beast` number, since 25 + 53 + 543 + 45 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 23736384 + 231617961 = 4872^2 + 15219^2 .

It is not a de Polignac number, because 255354345 - 25 = 255354313 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22957 + ... + 32213.

It is an arithmetic number, because the mean of its divisors is an integer number (18474339).

Almost surely, 2255354345 is an apocalyptic number.

It is an amenable number.

255354345 is a deficient number, since it is larger than the sum of its proper divisors (188029791).

255354345 is a wasteful number, since it uses less digits than its factorization.

255354345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9881 (or 9878 counting only the distinct ones).

The product of its digits is 180000, while the sum is 36.

The square root of 255354345 is about 15979.8105433075. The cubic root of 255354345 is about 634.4261623098.

The spelling of 255354345 in words is "two hundred fifty-five million, three hundred fifty-four thousand, three hundred forty-five".

Divisors: 1 3 5 9 15 45 613 1839 3065 5517 9195 9257 27585 27771 46285 83313 138855 416565 5674541 17023623 28372705 51070869 85118115 255354345