Search a number
-
+
255267725 = 5244922741
BaseRepresentation
bin11110011011100…
…01001110001101
3122210022221111012
433031301032031
51010322031400
641155135005
76216511526
oct1715611615
9583287435
10255267725
11121101469
12715a4465
1340b682bb
1425c8b84d
1517624d35
hexf37138d

255267725 has 12 divisors (see below), whose sum is σ = 317250900. Its totient is φ = 203750400.

The previous prime is 255267707. The next prime is 255267743. The reversal of 255267725 is 527762552.

It is an interprime number because it is at equal distance from previous prime (255267707) and next prime (255267743).

It can be written as a sum of positive squares in 6 ways, for example, as 27227524 + 228040201 = 5218^2 + 15101^2 .

It is not a de Polignac number, because 255267725 - 28 = 255267469 is a prime.

It is a super-2 number, since 2×2552677252 = 130323222853351250, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 146 + ... + 22595.

It is an arithmetic number, because the mean of its divisors is an integer number (26437575).

Almost surely, 2255267725 is an apocalyptic number.

255267725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

255267725 is a deficient number, since it is larger than the sum of its proper divisors (61983175).

255267725 is a wasteful number, since it uses less digits than its factorization.

255267725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23200 (or 23195 counting only the distinct ones).

The product of its digits is 294000, while the sum is 41.

The square root of 255267725 is about 15977.1000184639. The cubic root of 255267725 is about 634.3544185934.

The spelling of 255267725 in words is "two hundred fifty-five million, two hundred sixty-seven thousand, seven hundred twenty-five".

Divisors: 1 5 25 449 2245 11225 22741 113705 568525 10210709 51053545 255267725